Index to V ilume 35
J a n u a r y t o D e c e m b e r , 1930
C o a l A ge
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COAL AGE
W ith W hich Is Consolidated
T he “ Colliery Engineer” and “ M ines and M inerals’
•"Ou
y - ^ g /30
IN D E X TO V O L U M E XX X V
Ja n u a ry to D ecem ber, 1930
N O TE— T h e a rtic le s an d re feren ces in th is in dex h a v e been classified u n d e r leading: su b jec ts o r topics, as f a r as p ra c tic ab le , and s h o u ld bo so u g h t u n d e r su ch h ead s, w h ich , to g e th e r w ith a ll u n classified m a tte r, a re a rra n g e d a lp h a b e ti
cally . Illu s tr a te d a rtic le s o r c u ts standing: by th em selv es a re in d ic a ted by a n a ste risk ( * ) . T h e su b je c t m a tte r o f e d ito ria ls w ill be fo u n d classified u n d e r th e su b je c t w ith w h ich th ey deal a n d m a rk e d ( e ) . M any title s o f a rtic le s are ab b re v ia ted , th e aim b ein g to give p rom inence
to im p o r ta n t w o rd s. .
F o llo w in g is a lis t o f th e pages in clu d ed in e ac h issu e o f th e v o lu m e, to g e th e r w ith d a te a n d n u m b e r o f th e issu e, fo r convenience o f
re fe re n c e : _
P a g e s J a n u a ry ...
F e b ru a ry ...
M arch ... 137-«00 A p ril ... 2 0 1-204 M ay ... 205-340
J u n e ... 341-400
J u ly ... 401-450 A u g u st ...4 5 7-51«
S ep tem b er ...513-570 O ctober ... 571-05«
N ovem ber ...653-704 D ecem ber ...7 0 o-/5G
A
P a g e A ccidents
A n th ra c ite b la sts k ill seven ... 048
C anadian b la s t k ills fo r ty -fiv e ... 500
D an g ero u s o ccu rren ces ( e ) ... 105
D eath s in 1929 ... 127
D o rran ce w a sh e ry . Ef. S c h w e itz e r *535 F ire tra p s th re e m in ers ... 092
F a ta litie s in c o al m in e s. .7 2 , 127, 184, 244. 25 0 . 340. 397, 45 3 . 50 7 . 505, 052, 090, 748 G as explosions k ill seven ... 170
Gas ig n itio n k ills seven ... 120
H ow to reduce th em . M. E . T r a m m e ll. 710 O k lah o m a b la s t k ills 59 ... 07
O k lah o m a b la s t k ills th ir ty ... 092
P en n sy lv an ia b la s t k ills six ... 093
R educing ... 77
Sunday Creek b la s t k ills 79 ... 090
C aused b y b ro k e n tro lley ...744
U ta h ex plosion k ills f o u r te e n ...12 3 W ar ag ain st. W . W. A d a m s ... 20
W est V irg in ia b la s t k ills 8 ... 124
W h a t's w ro n g w ith w a te r (e ) ... 72 8 A ccidents. See also S afety . Acids Sealin g old w o rk in g s p re v e n ts acid fo rm a tion and saves pipes and stre am s. L e itc h & Y a n t ... *78
A ccounting B u dget c o n tro l ad v o cated ... 092
D aily a c c o u n tin g a ssu re s p o sitiv e co st c o n tro l a t In d ia n o la . A / P . B ro s k y . . 45 9 A erial tra m w a y N ew w eig h t p o sitio n gives tMBU ro p e lo n g er life ...* ...*080
A lab am a Clings to b ra w n . H . S. G eism e r. . ^ . 40
F o o tp r in ts fo u n d in m ine. W . B. ’Jo n es *92 P n e u m a tic p ic k s c u t do w n fine», in long- fa c e w o rk in A la b a m a M ines. J .^ H . ' 'Jp E d w ard s ... *75
Slope o f jig screens influences r e s u lts . . . 94
A m erican I n s titu te of M in in g an d M e ta l lu rg ica l E n g in eers A n n u a l m eetin g ... 1 1 9 A n th ra c ite section reo rg a n iz e s a t H azle to n m e e tin g ... 24 7 B o ck u s addresses en g in eerin g g r o u p . . . . 178
Coal d iv isio n h o ld s fir s t m e e tin g ... 159
C oal d iv isio n m eetin g ... 049
G ro u n d M o vem ent a n d Subsidence Com m itte e m e e tin g ... 102
■James D o u g las m ed al a w ard ed to J . V. ; D o rr ... . . 119
A m erican M in in g Congress M a n u fa c tu re rs ’ D ivision to h a v e co nven tio n (e ) ... . . . 2 3 4 M e c h a n iz atio n ag ain in sp o tlig h t a t Cin- •: c m n a ti co n v en tio n ... 29 1 M eeting ... 7 1 1 P la n s co n v en tio n ...07
P ro g ra m of C in cin n ati c o n v e n tio n . . 12 1 . . 2 1 2 A m ong th e m a n u f a c tu r e r s ...113, 195 . 20 1 , 32 7 . 3S5, 4 4 l! 493.’ 5 5 3 A n n ealin g * • B est p ra c tic e fo r tire tu r n i n g ...*439
A n th ra e ite A n th ra c ite engineering. E . H . S u e n d e r .. 33
B la stin g idea p ro te c ts c o n v e y o r... *54
Closer co n tro l o f san d flo ta tio n system developed b y h o u rly p la n t te sts. J . F . M cL au g h lin ... C o rrelate a n th ra c ite seam s b y th e ir evi- - dences o f m a c e ra tio n . H . G. T u r n e r . *005 E x p e rim e n ts w ith re s e a rc h . R. V . F r o s t *12 P a g e G erm an a n th ra c ite im p o rted ... 093
In a n th ra c ite reg io n , m a c h in es m a k e low c oal m in ab le a n d w a te r tu n n e ls. fe asib le. R . D. H a ll ... *207
Loses g ro u n d in M a s sa c h u se tts . . . o 0 4 M ercu ry -arc re c tifie r m a k e s bo w in a n th ra c ite field. C. R . Seem . . . *359
M o d ern iza tio n a n d th e R ead in g C oal C o.. «18
O utside o f P e n n sy lv an ia. O. E . K iessling *29 S h i p m e n t s ... 1 74, 4 5 2 , 5 04, 044, 093 S ubm erged p u m p ro o m so lv es d ra in a g e p roblem . I. A. G iv e n ... *713
W age p a rle y opens ... 44 8 W age a g re em en t signed ... 4 9 9 , 559 A n th ra c ite Coal Service L a b o ra to ry opened ... 50 3 A shW h a t s h a ll be do n e w ith a sh ? (e ) . . . . 541
B
B earings. See M ach in ery B elts E ndless cord b e lt o f new d e s ig n ...*135M e ta llic h in g e p in s fo r u se w ith steel b e lt lacin g ... 198
R e p a ir to co n v ey o r ...*114
R ollers on b e lt s h ifte r sto p s w e a r . . . . *550
S ta tic -p ro o f ... 570
Used b e ltin g does w ell as tro lley g u a r d . 115 B it sh a rp e n e r ... *255
B lastin g A n th ra c ite , idea p ro te c ts c o n v e y o r 54 A p p ro v ed lis t o f p erm issib le ex p lo siv es reissu ed b y U. S. B u re a u o f M in es. . . 4 2 0 B orehole aid s b la s tin g a n d m u c k in g in sin k in g a ir s h a f t th ro u g h r o c k ... *438
D rillin g a n d b la s tin g e x p ed ited b y special sh o t-firer c a rs ... *084
E x p lo siv e s a p p ro v e d . .2 4 5 . 3 9 2 , 5 0 2 , 5 0 2 , 092 “ G elam ite” new e x p lo siv e ... 400
M ag azin e rem oves h a z a rd in h a n d lin g d e to n a to rs ... *030
B ook re v ie w s ...107, 10 9 , 2 3 7 , 37 5 , 4 3 1 , 54 3 , 031, 73 1 B osses T a lk I t Over D a n g ero u s p ra c tic e s — s h o u ld a m a n ’s fa m ily be in fo rm e d ? ... 632
D irty co al— no w o rk ... 190
F o re m a n tra in in g — th e o re tic a l o r p r a c ti c al? ... 2 5 0 Id le-day w o rk — c an i t be m ade to p a y ? . 4 3 2 J o b a n aly sis— k e y to m a n tr a in in g . . . . 3 7 0 L a b o r tu rn o v e r — h o w c an i t be m in im ized ? ... 3 1 8 M ach in e m a in te n an c e — w h o is re sp o n sib le fo r it? ... 4 8 4 O u t o f a jo b a t 4 5 ... 50
P illa r rides— h o w do yo u p re v e n t th e m ? 080 S a fe ty in sp ecto rs— w h ere do th e y fit in ? 73 2 T ra in in g h a u la g e e x tra s to s ta b iliz e to n n a g e ... 108
W age p a y m e n t— by day, to n o r b o n u s ? . 544 B ra k e sk id ... *549
B ritis h C o lu m b ia g ro u p m eets ... 5 0 0
C
Cable S a fe ty lig h tin g cab le ... 754C am b ria E x p o sitio n ... 450
Cars A ll-p u rp o se c a r sto p ...*110
A m erican C ar & F o u n d ry m in e c a r . . . . *310
A u to m o b ile p a r ts u sed to m a k e e le ctric c a r ... 73 0 B e tte r an d big g er c a rs needed in m odern m ines. G. A . R ic h a rd s o n ... *008
B igger tr a n s p o rta tio n u n its f a v o r e d . . . . 3 0 0 C ar tu r n as efficiency in d ex ( e ) ... 076
H ig h c a p a c ity claim ed fo r m in e c a r . . . *704
Irw in m in e c a r ...*309
M en c a n s i t u p r ig h t in th is c a r . . . . .* 3 2 5 N a tio n a l M alleab le & Steel C astin g s m in e-car w heel ...*310
S to p b lo c k s m ade b e tte r and c h e a p e r in la tlie ... *039
T en y e a rs ’ service p ro v es cast-ste e l w heels ...*382
W a tt “ B lue B oy” m ine c a r ... *309
C em ent, c h ro m ite ... 19 8 C ensus o f M a n u fa c tu re s S uggest h a v in g co al c o n su m p tio n fig u res b ro k e n dow n in to c o u n tie s ( e ) ...2 3 4 C hain d rives H ow to m a k e c h a in d riv es la s t lo n g e r. . 491
C hains “ P r o m a l” co n v ey o r c h ain h a s g re a t s tre n g th ... 5O8 C h am b er o f C om m erce W h a t's a h ea d fo r A m erican b u s in e s s . . 335
C lassification C o a l. c lassificatio n , s h a ll u se o r q u a lity c o n tro l? R . D. H a ll ... 151
C leaning. See P r e p a ra tio n . Coal in d u stry , in d ic a to rs o f a c tiv itv i n . . 12S, 170. 2 3 8 . 3 2 8 , 38 0 , 4 4 2 , 4 9 4 , 55 4 , 0 40, 09 8 , 75 0 P ag e Coal I n s titu te o f S t. L o u is, fo r m e d ...*092
Coal M in in g I n s titu te m e e tin g ... 70
Coal & H e a tin g In d u s trie s C om plete o rg a n iz a tio n ... 440
C olorado M e c h a n iz atio n no m e re w o rd . C. M. Schloss ... 44
W estern C olorado C oal O p e ra to rs ’ A sso c ia tio n fo rm ed ... 089
C olorado & N ew M exico C oal O p e ra to rs A sso ciatio n a d o p ts tra d e c o d e ...4 9 8 C o m m ittee o f Ten Coal a n d H e a tin g C o m m ittee o u tlin e s p ro g ra m ... 503
C om pressed A ir aiul C om pressors A ir-d riv e n m a c h in es u sed in c u ttin g in P it ts b u r g h seam m in e. J . H . E d w a rd s . *475 A ir p re s su re fo rc e s w a te r to c h a rg in g s ta lls ... * 9 2 ? A n ti-fre ez e sy stem fo r a ir-to o l u s e *454 F in d s new a p p lic a tio n s ( e ) ... 54 1 N ew co m p re sso r u n its a re s e lf-c o n ta in e d ..*132
P n e u m a tic to o ls a t C o n so lid atio n Coal Co... *593
Sand conveyed b y a ir u p g ra d e th ro u g h 2-in. p ip e ... *53
S in g le-stag e c o m p re sso r ... *197
Conveyors A sh conveyed b y a ir ... 50s) B a c k sto p ta k e s h o ld w ith s lig h t r e v e r s a l. *322 C onveyor sca le ... 755
D u c k b ill co n v ey o rs o p e ra te to a d v a n ta g e in d ra w sla te . R . L . I r e l a n d ...*227
E c o n o m ic life o f m in e pro lo n g ed b y con v ey o rs in th in co al. J . H . E d w a rd s . *14i. M ac h in e lo a d in g a t C o n so lid atio n Coal Co... *581
M o to r d esigned f o r c o n v e y o r s ...*508
P in tle co n v ey o r c h a in p in ...*199
R o lle r co n v ey o r a t Y a lie r M in e ...*408
Screw co n v ey o r d riv e s a re s ta n d a rd iz e d . *204 W hen, w here, a n d h o w to u se b u tto n c o n v ey o rs. H . F . G eist ... 71 9 C ost a c c o u n tin g fo rm s to b e r e v is e d 33 0 C ouplings F le x ib le ... « « I F le x ib le co u p lin g refined ... 13 0 C u ttin g M achines A ir-d riv e n m a c h in es u sed fo r c u ttin g in P it ts b u r g h seam m in e. J . H . E d w a rd s j *4 7 5 B a r m a c h in es b e tte r th a n c h a in c u tte rs J L . C. S tev en s ... . 105
B elgium c u ts h e r stee p seam s b y m a c h in ery . F . C. C o rn e t ... *81
F a c e m eth o d s a t C o n so lid atio n Coal C o.. *579
M ach in es c an c u t u p h ill as f a s t as on level. N . D. L e v i n ... _. . 105
R edesigned die on b it-sh a rp e n in g m ach in e a d d s efficiency to c u t t i n g ... j *55 S u lliv a n c o n tin u o u s c o al c u t t e r ...:*307
T ra c k -m o u n te d m a c h in e rem o v es blue, b a n d in Illin o is m in e. A . F . B ro s k y . *87
D
D ep letio n by new incom e p e rc en tag e s sh o u ld red u ce ta x a tio n . M . W . K r ie g h . 7 2 5 Doors D esigns tim in g re la y fo r d o o r s u p e r v isio n ...!i*?Z F ree -sw in g in g d o u b le d o o r ... ” ‘13P r e v e n t a ir re v e rs a l if m o to r fa n sto p s 550 W indow in m in e d o o r is s a fe ty p re c a u tio n 3 2 5 D ra in a g e C on q u erin g w a te r le a k ag e in m in e d ev el o p m e n t. S. E . D eB erry ... 4 1 5 C o n so lid atio n C oal Co.— d ra in a g e ... *011
S ealin g old w o rk in g s p re v e n ts acid fo rm a tio n a n d sav e s p ip es a n d stre am s. L e itc h an d Y a n t ... • *78
S u b m erg ed p u m p ro o m a t W illiam P e n n C olliery. Iv a n A. G iven... . 713
W a n te d : m o re re s e a rc h on acid m in e d ra in a g e . L . V . C a rp en ter . . . *400
D ra in a g e b o a rd fo rm ed in W est V irg in ia . . 39 0 D rills a n d D rillin g B ac k to th e w edge: b u t th is o ne is p o w er-d riv en . F . W . W h ite s id e *357 C h u ck ta k e s a u g ers w ith o u t s h a n k s . . . . *323
D rillin g and b la s tin g ex p ed ited by sp ecial s h o t fire r c a rs ... 084
H ow s h o u ld h o le s b e d rilled f o r b la stin g ? 32 5 M o u n ted e le c tric d rill said to be lig h te r. *204 O ne-m an e le c tric c o al d rill is fla m e p ro o f. *399 P re c a u tio n s n e ce ssa ry in d rillin g w ells th ro u g h c o al m in e w o rk in g s ... 80
U . S. h e a v y -d u ty d rill ... D rive. V -type co m b in es b e lts an d sh e a v e s. 702 D u c k b ills. * See C onveyors. D u m p in g A u to m a tic g a te lif te r speeds d u m p in g . . . *54
B a r alo n g to p h o ld s c a r in ro ta r y d u m p . *252 B a r rele a se s b ra k e s b y b u m p in g h a n d le s . *383 H inged ra ils allo w u s e o f h o rn d u m p in s e rie s ... R o ta ry d u m p a n d c a r fe e d e r... 4 3 0 W att-A lie n & G a rc ia c a r an d d u m p . . . . *309
January-D ecem ber, 1930
P ag e
E
E co n o m ics ■ .
A p o g g ia tu ra (e ) • • • • • • ... *2oS A rc h ite c ts o f fo r tu n e (e ) ...
B ritis h m e rg e r p ro p o sed . . . ... ■ ■ ■ • C onference on th e B itu m in o u s Coal I n d u s tr y ...
P a g e H r . M oses (e ) ...
P re s id e n t su g g ests (e ) ... • • u “ u Solid a ch iev e m e n ts o i p a s t y e a r oiiei
g ro u n d i o r f u r th e r g a in s m 10.50- p ro g ram fo r 1 0 3 0 . . . • • • • • ■ • ■ ■ ,'1 Spends o v e r b illio n d o lla rs in 1 9 2 0 . . . . S ta n d a rd iz e d d e p re c ia tio n ra te s n o t con- tem p la te d ... .. ■ ■ - • • • U n u su a l s ta b ility fo re c a st fo r 1 0 3 0 . K.
M. D av is ... • ■ • ; ... d E co n o m ics. See also T ra d e P ra c tic e s.
E co n o m izer, fm -tu b c ty p e ... oi>/
E d u c a tio n
H ow m e ta l tra d e s tr a in fo r e m e n ... 421 Illin o is M ining I n s titu te w ill fo s te r vo-
e a tio n a l tra in in g and r e s e a r c h . . . . M in eral in d u s tria l colleges. E . S te id le . . do T e c h n ic al tra in in g (e ) ...
T o w h a t end? (e ) ...
T ra in in g fo r th e firin g lin e (e ) ... 1 0 ° E le c tric ity
A.C. m o to r s ta r te r ... ■ • • • • • • . • ■ 510 A ir p re s su re fo rce s w a te r to c h arg in g
s ta lls ... ooo
A sb esto s u sed to in s u la te m o to r c a b le s . 133 A u to m a tic p o w er re le a se s g u a rd a g a in st
d a n g ers fro m v e n tila tio n f a ilu r e s . . . . 48 8 B low o u t-co il p o la rity affects c o n tro lle r. . 118 C o m m u ta to r u n d e rc u tte r m o to r -d riv e n . . > 13 J C o n so lid atio n Coal Co.— e le c tr ific a tio n . . 000 C o n tro l re v e rses s m a ll m o t o r s . . . tw o C orona an d ozone tro u b le s sto p p ed by
in s u la tio n ■ 7x 2
C rane c o n tro lle r is s e lf‘C o n ta in ed ... 1*»°
D e tac h a b le w a tth o u r m e te r . . . . D iesel p la n t g e n erates p o w er fo r P rice
H ill. J . H . E d w a rd s . . . ...; V D is ta n t m a n u a l c o n tro l used on su b sta - D ry-cell 't e s t e r 'f o r u se on N o. C c e i l s .. MOO E le c tric a l p ro d u c ts o f f e r e d . . . ...
E q u ip m e n t fo r u se and co n tro l o f , ^ ' ^ e r , 75 0 F la s h o v e r o f 20 k v . claim ed fo r air-g ap
h a n g e r ... .¿ ¡ j ?
F req u e n c y c o n v erte rs . ...
F u s e w ren ch an n o u n ced ... go»
G eneral E le c tric m e rc u ry -a rc r e c tif ie r ..
G en eral E le c tric s ta r tin g and ru n n in g u n it fo r a u to m a tic m o to r g e n e ra to r s e t. . . 3 1 J G e n erato r set w ith w elded steel b a s e . . 107 G uide clam p sto p s b re a k a g e of con-
d u c to rs ... J-Oo
H o ist c o n tro l in te rlo c k e d w ith su rfa c e g a te s ...
L o n g steel b o x es sim p lify w irin g s ta r te rs ...
L o w erin g c irc u it c o n tro lle r fo r h o is t M ercu ry -a rc ’ ’re c tifie r m ak es bow in
a n th ra c ite field. C. It. S e e m ... ;3 5 0 M ag n etic s ta r te r ... - .gS !;
M aste r sw itch re g u la te s c o n tro l c irc u its . 5BJ M etal u n d e rru n sec tio n i n s u la to r ... /o * M ine h a n g e r ... . . . ; • N ew fe a tu re s in ele ctrica l and m ech an ical
design a t W ildw ood. J . H . E d w a rd s . . - 7 0 Open secondary lead sav es $1 0 0 p e r . g g 3 O utside lo c a tio n im p ro v ed m o to r p erfo rm -^ ^ P e n n s y lv a n ia 'a s k s , is h e r ele ctrica l m in-
ing eq u ip m en t sa f e ? G. F . N e w m a n . . 15 o P h o to -elec tric cell w ith am p lifie r u n i t . . r>10 P lu g s a n d re c ep tac le s fo r h ig h frequency 133 P o rta b le s u b sta tio n s m eet dem an d for
ra p id -s h iftin g lo a d c cn tcrs. t . * • . B rlg h tm a n ... . . . . .
P o w e r cost red u ced b y d isp a tc h n g . . . . 18B P o w e r-fa c to r c o n tro l ex citer in s ta lle d . . 704 P o w e r-fa c to r p ro b lem s solved g ra p h ic a lly . 1 8 0 R elay p ro v id es lig h t-lo ad p r o t e c t i o n . . . . #381 R em o te co n tro l given b y c o n ta c t c a b le . -0 0 S a fe ty sw itch ... • • • • / • • ■ - . 2 5 / S h u n t device adds life to tro lley w h e els. 38.3 Slow -specd direct-cionneeted m o to r i n
stalled on G ra n t T o w n f a n ...,1 1 7 S ta rtin g e q u ip m e n t . . . • • • • oun S u b s ta tio n m o to r u sed on stan d -b y p o w er
u n i t ... * ...
S w itc h b o a rd fo r W estin g h o u se a u to m a tic s u b s ta tio n ... ... .. • ; S y n c h ro n o u s e q u ip m e n t c u ts po w er eo st T e st re c ep tac le s in clu d ed on sw itch
p a n els ... ..
T h ree -se ctio n c h eck s tra c e a rm a tu re service ... -k i i T im e sw itch e le ctrica lly w o u n d . . . . ...
T im in g c o n ta c to r added to lim ite r c irc u it p re v e n ts u n n e ce ssa ry p o w er in te r ru p tio n s ...
T w o-w ay s ig n alin g system a t W ildw ood .* 3 2 2 V ib ra tio n re c o rd e r ch ec k s p e rfo rm an c e o f
g a th e rin g lo co m o tiv e b a t t e r i e s . 440 W estin g h o u se c o m b in a tio n lin e s ta r te r . . ¿ l o E le c tric ity — P o w e r a n d E q u ip m e n t
Confined h e a t in ju r e s b a tte r y c e lls. . . 54 G u a rd s d o o rs and a i r c u rre n ts . H. S.
L ittle w o o d ...
E n g in es
A u to m o b ile en gine serves a s fa n a u x ilia ry *56 Does w o rk o f m u le in h a n d lin g s la t e . . 57 E n try v e rsu s h e a d in g (e) ... 3 1 0 E x p lo siv e s. See B la stin g .
C O A L A G E
P a g e
F
F a n s . See V en tila tio n . F e d e ra l T ra d e Com m ission
A llow s in d u s trie s to a p p ro v e code ch an g es ... ...
F eed er .c-t-n
G u ard fo r feed er ...
F im fnc!a l ‘ r e p o r t s ^ l l o ! 1 8 0 . '2 Í4 .' 33 7 . 30 3 , 607 F ire b ra ttic e is a d ju s ta b le . . . ...
F ire -re sis ta n t c lo th fo^ b r a t t i c e ...
F ire. See A ccidents.
F irst. Aid and M ine R escue
A u g u st m eet ...
C o n tests h e ld •* v* : • ; • • ; «Vâ F ifty -sev e n te a m s in in te rn a tio n a l m eet 040 M eets h eld ... • • • ? • * • • • .* • ; • • • . .(
S tre tc h e r p o sts rem oved w h ile n o t in u s e . odo F o o tp r in ts fo u n d in A la b am a m ine. W . 13.
Jo n es ...
A tta c k ra te s o n coal to S o u th A tla n tic p o rts . « • • • • ! • • • • • . • • • « • • • • • • • • . • • C ash d isc o u n t p lan offered a u th ra c ite D ifferen tial p roposed fo r K en tu ck y c o a l. 248 E a s tb o u n d r a te h e a rin g s e t ... » o i I.C.C. ask ed to d ism iss la k e cargo com -
p la in ts ... ... S gs Illin o is ra te s a rg u e d ... . . . ... »&»
L a k e carg o ease reo p en ed b y I.C .t...
L a k e carg o h e a rin g s h e ld . . . utsy N o rth e rn o p e ra to rs p re s e n t th e ir side In
la k e carg o case ... 4 4 7 N o rth w e st ra le s low ered ... 4 i<
O p e ra to rs to a sk re o p en in g o f la k e r a le case ... .. ...
P ro p o se c a r d is trib u tio n a n d d e m u rra g e
ru le s ... oOl
R e b a te given 011 C hicago a n th ra c ite ra te s 304 W estm o relan d ra te s a tta c k e d ... uuo
F u rn a c e s , . , . . on
N o t w h a t w e h a v e, b u t w h a t w e u se (e) 4
135 693 4 8 0 7 2 8471 689 21 24274 4
491
►568
482
•9 7 742 Gage— a d ju sta b le tim b e r gage ...
G as a n aly ze rs - •>»
N ew H ay es ...
G as co al u se in c re a se s ...
Gas in m ines , . . _ .
H ig h -p ressu re g as to be a n tic ip a te d (e>
O u tb u rsts— ho w an d w h y th e y o ccu r. F . C. C o rn et ...• • ...
R e tu rn a irw a y s filled w ith g as (e ) . . . . Gas lin e p e rm it ask ed . . . ...•
Gas. n a tu r a l— L in e s in U. S.. com pleted and p ro je c te d ...
P la n lin e ...
Sales decrease ...
G ears . . ..
C au tio n urg ed in fittin g g ears to s h a f t s . ( G en erato r, acety len e ...
G erm any , ., .
C u ttin g a k e r f in th e m in in g o f thin^
co al ... ...
F in d s b e tte r lig h tin g in creases p ro d u c tio n . W . S a u e r ...
G re a t B rita in
G eneral s trik e a v e rte d ...
G rinder
E le c tric b en ch , p o rta b le ... . . E le c tric g rin d e r su p p o rte d by s p ira l
sp rin g ... * 1®**
E le c tric p o rta b le b en ch ... *133
H
H a rla n C o u n ty Coal O p e ra to rs ’ A ssn—
m eetin g ...
H a u la g e , , ,
A u to m a tic c o u p lin g p m h o l d e r . . . 40 0 C orrect d r a f t g e ar design in m ine h a u l-
age. C. E . W a tts ... ;4 0 3 C oupling p in re ta in e r sto p s ru n a w a y s . . 080 R ailro a d s v e rsu s m in e p ra c tic e . J . F .
M cC rystle ... i ? « T ra n s p o rta tio n en g in eerin g (e) ...
H a za rd o p e ra to rs elect ...
H eading. See E n try .
H e ate r, e le ctric sp ace . . . 7U.J H e atin g in d u s try an d c o al in d u s try hold
m eetin g ...
IIoistB and h o istin g "
Forced v e n tila tio n ra is e s s a fe ra tin g 01 m in e h o is ts. C arl Lee ...- • ■ I™
H o ist c o n tro l in te rlo c k e d w ith su rfa c e
g a te s 7.3 7
H o istin g p e a k s red u ced ... 50 S em i-au to m atic m a n h o is t fo r slopes con
tro lled fro m c a r ...
S u lliv an s c ra p e r h o is t . . . . . . . • *.■•••
T ru c k serv es as h o is t in s h a f t s in k in g . ^ uoo
Illin o is , -
F o rced v e n tila tio n ra ises s afe r a tin g of m ine h o ists. Carl L e e . . . 149 Is m ech an ical clean in g n e x t in Illinois."
D. R . M itch ell ... 531 L eans on m ach in es. D. W . Jo n es . . . Jv M ach in e saves la b o r in tr a c k c le a n in g ., y i M an tra in in g fo r m e c h an ic a l load in g a t
New O rient. J . R. F o s te r ... . 2~0 M ate rials-h a n d lin g e q u ip m e n t saves 0.5»c.
p er to n a t V alier M in e ... 4 0 » M idland s trip p in g m ines 3 3 -in . coal u n d er
25 fo o t co v er. K . R . B ix b y ... 4 / /
i n
P ag e Illin o is— C o n t’d. \ \ NS . .. „
N ew sem i-loader- e n te rs v jJe c n a n i^ ji.o n ^ p ic tu re ... - >/*•.• • • • • * ■ v , : ' T rac k -m o u n ted m ach in e- r e m o ^ s b lu e _
b a n d . A. F . B ro sk y . . . V... . . . . . • • • * • Illin o is M ining In s titu te m e e tin g s 4 . 3 . 0 J3
Illin o is Society o f E n g in eers .
S trip p in g , p ro b lem s and p ro g ress d iscussed 9o 111 C h eck erb o ard system p e rm its m ach in e to
lo ad f u ll trip s. R. D. H all ...
C linton m ine av erag e s 9 i to n s p e r m an . A . F . B ro sk y ...
In d ia n a Coal O p e ra to rs’ in
In d u s tria l en g in eerin g h a s d efin ite p lace m c o a l m in in g . J . H . P ierce
In d u s tria l re la tio n s a t C o nsolidation Coal
Qq... • O lo
I n te rs ta te Com m erce C om m ission
E x a m in e r ru le s o u t m in es as tra n s p o rta - tio n p ro p e rty ...
IOWaIn te re s ts m eet ... • • • • * ■ • ■ • ot>u M ech an izatio n w a its o n w ages. b eo .
H eaps, ...
K
^ E n g i n e e r in g fo r e th o u g h t fe a tu re s K ansas s trip p in g . A . F . B ro s k y ... ■>-*
K an w h a In s titu te — m eetin g ... 1 *u K *Fe\v m o d ern ize: o th e rs re tre n c h . W . N.
...
K ing C oal’s ' C alen d a r. .0 0 . 1 2 6 18 2 , 248.
33 8 , 3 9 5 , 4 5 1 , 50 5 , 56 3 , 65 1 , oU*>«
L
^ B i t u m i n o u s la b o r u n re s t sp read s . . . . . 40 0 B u ild in g p erso n n el fo r m e c h an iz e d m in-
in g . W . M . D ake ... ...
D ifficulties: a n th ra c ite p a c t signed . . . • .»o»
D isallow co m p en satio n re serv e as dcduc- tion from incom e ...- ■ Docs age d is q u a lify a m in e fo re m a n ?
A. H . S ta n s b e rry ...
F is h w ic k re m a in s in c o n tro l of Illin o is u n io n ... ■ ■ ■ ■ ... i s ? H ow old is m iddle age? (e ) ... ¿0 4 Illin o is s trik e t h r e a t fa d e s . . . . . . . In d u s tria l re la tio n s a t C o n so lid atio n ^ ^ ^ ^ In s u rg e n ts call in te rn a tio n a i co n v en tio n
to re o rg a n iz e m in e w o r k e r s ... ioi J o b a n aly sis (c) ... ... nn't M an -tra in in g com es to th e fr o n t . . . . . . -w j M an tra in in g fo r m e c h an ic a l lo ad in g
N ew O rient. J . R. F o s te r ... ’ 3 3 0 M an ag em en t o u tlo o k a t N cm acolin . . . . - 0 3 M av com m on sense ru le (e) ...
N a tio n a l M in er’s D nion stag e s s trik e . . . <>0 N ew a n th ra c ite w age ag reem en t signed . 4 0 0 P erso n n el p ro b le m s ch allen g e in d u s tria l
t h i n k i n g ... l o u R eg u larizin g re s t p erio d s (c) ...
T rain ed o p e ra tiv e s on l o c o m o t i v e s ...
U rges stu d y o f psy ch o lo g y b y m anage- m en t. C. A. B a llie t . . . . W an ted : a M oses; ap p ly , F a irm o n t, W .
V a. W. W illiam s ...
I-am b ie Coal M in in g In s titu te o r g a n i z e d .. . 7 4 1
L am p s «Ki t
S ig n a lm a n 's la n te rn ...
L a w a n d L eg islatio n
S tu d y in c o n tra sts (e ) . . . . f. x o o U ta h co m m issio n p ro h ib its open
e q u ip m e n t ... I r S L ev elin g in s tru m e n t designed ...
L ig h ts am i L ig h tin g .
E ve disease in G re a t B rita in . . ...
G erm an y finds b e tte r lig h tin g in creases p ro d u c tio n . W . S a u e r ...
“ N ie p o z w a la m !” (e) ...
T o gro p e o r to see (e ) ... * L ittle jo u rn e y s to o th e r in d u strie s
P erso n n el p ro b le m s N o. 1 . . • 4 r ...
T a y lo r sy stem N o. 2 ...
H ow m e ta l tra d e s tr a in fo rem en N o. 3 . . 4 ^ 1 L o ad in g M ach in es
A rc w all-ty p e m a c h in es lo a d in g coal in m id-w est m in es ... * .♦ • • • ■ ‘it>0 C h eck erb o ard system p e rm its m ach in e to
lo ad fu ll trip s. R. D. H a l l ... »g F a irfie ld p it-c a r lo a d e r . . ... JU7 In a n th ra c ite region, m a c h in es m a k e low
coal m in able an d w a te r tu n n e ls feas- ible. R . D. H a ll ...^ 0 7 Jeffrey lo ad in g m ach in e . . . . . ■• • • ^ M ach in e lo a d in g a t C onsolidation Coal
.
M t. V ernon M fg. Co. p it-c a r l o a d e r *307 P it-c a r lo ad er ...
U tility sem i-lo ad er ... ...
W h aley “ A u to m a t” ...
L o ading a n d S h oveling
C linton m in e av erag e s 9$ to n s p e r m an A. F . B ro sk y ... .* 2 1 5 D o u b le-track ed ro o m s speed u p P1t 'c a r ._ _ _
lo ad in g . A . B en n e tt
M an tra in in g fo r m e c h an ic a l lo a d in g at New O rien t. J . R . F o s te r ... 2^.0 M ech an ical lo a d in g in h ig h coal . . . ¿0 7 W h a t’s new in m e c h an ic a l lo a d in g ? . . , ¿it#
L o co m o tiv es , . onn
B igger tra n s p o rta tio n u n its f a v o r e d ...500 C ar sh iftin g h a n d le d by b a tte r y locom o
tiv e ... *384 Ford -p o w ered loco m o tiv e ... *1 9 ? G as-eleetric lo com otive fo r in d u s tria l u s e *511 G oodm an low -vein gathering- lo c o m o tiv e . *309 L o w -'^ n - loco m o tiv e w ith rem o v ab le
b a tte ry b o x ... .* 7 0 4
IV C O A L A G E Vol. 35
L ocom otives— C ont'd.
N eed tra in e d o p e ra tiv e s o n lo c o m o tiv e s. 84 R eel tro u b le co rre c te d b y adding- b all
bearing's ... ... ... *437
T r a n s p o rta tio n a t C onsolidation Coal C o.*585 T r a n s p o rta tio n geared to high-speed p ro d u c tio n a t W ildw ood ...*276
V alv e elim in a te s san d in g t r o u b l e s ...*738
V ib ra tio n reco rd e r ch eck s p e rfo rm an c e of g a th e rin g lo co m o tiv e b a tte rie s . . . *440
W a tt m o to r b u m p e r ... *310
L u b ric a tio n A u to m a tic slo p e-h o ist cab le o ile r ... *552
L in co ln e le ctric lu b ric a to r ... *315
Oil c h an n e ls cleaned b y a ir e je c to r . . . . *384
W ail lo c k e rs a re efficient a s o il d isp en sers ... *637
M
M achinery A u to m a tic w a te r q u en ch in g by b it s h a rp e n e r a tta c h m e n t ...*637B all b e arin g h a s fe lt seal ... .. *568
B its h ard en ed by conveyor p assag e th ro u g h ta n k ... . »03$
G rooves in b e arin g h o u sin g stop* oil leak ag e ... 73S S e lf-lu b ric a tin g b e arin g m ade o f bro n ze 134 T a ilsto c k liv e c e n te r h a s b a ll b earin g s .* 1 3 4 W ire saw s fo r coal m in in g ? (e ) ... 54 0 M ain ten an ce C onsolidation Coal Co...»615
E x p e rt o p inion aid s m a i n t e n a n c e *156 P a in tin g a t Old Ben p la n ts ... 186
Safe re p a irs (e> <5°9 M ark ets Coal fo r m echanized h o m e h e a tin g (e ) 7 °S R eview s ... 58. 129. 171. 239. 3 2 9 * 3 8 7 M an ag em en t **3- 4 S 5 ' 55S - 64 «»»• 751' C h arac te r co n tro l (e ) . . . =un F i t as a fiddle ( e ) ... 54X In d u s tria l engineering- h a s defin ite place in coal m ining. J. H . P i e r c e ... 145
.i.m a g e m e n t o u tlo o k a t X em acolin *203 No place fo r ty ro s (e ) ... ' I n i on and m an ag em en t o f Con- so lid atlo n Coal Co... T a y lo r sy stem . H . P . K endall ... 1 Q3 m7 .it " o ' a v* A. B alh et ... by m an ag e- in'* -M anometer, la r g e - b o r e ... , M nryland **5'* S ‘ j ! ‘ J P RPu tle d g e !U'CheS -M ary , a "«- To p u sh its coal ... WS a S r ' a ':d m a rk e tin g Vo ’be- 'in - “ “ M ech an izatio n ^ 1 ASv ra tio n Sm >t% ht a t C in cin n ati Con-
^ ?91
C°T h o m asC “ *n ‘" Hl " 'a c h in e ry .' ' p . ' <3. 'i!>1 G ains in th in seam s I co m m an d ” (e) . . . ] ... In a n th ra c ite region, m ach in es make* w coal m m a b l e ^ d w a te r & £ £ * £ * M CTonnrtCS r id®ration8 determ in e uideV B rosky P la n n ,n s a t W ildw ood. A. P .: :'?ii
v B StU h su p p !j' c o sts- P ro g re ss s till sp o tty ' ! ! ! i i !! | ; ... * J g ? „ b and. “" a ^ F . Brosk}n<>. . ! em0VC9 “ u e , 87 f c C1 o o ai i n r tt;.c h andicap- (¿ ) ’ ! ; ! ; | W hy V 1? w i o d r hC nF a H0 " f1'Ul,eS- 299 M erchandising ' F ‘ H ° s *°rd. H'. . . . 207Chi fd m i So f ' *d a rk n e s s ' ^ pl a " • 302 C o nsolidation Coal Co ... F iv e ...com Pa,li^ c o n so lid ate * sales P a g e 211 295 317 •2 0 7 de- 101 025 278 4 284 2 8 541 p artn ie n ts- M eehaniSe y o u r m a rk e t ( e ) ... ^ i , n ' a » s land <e) . . . ... O ld-fashioned” (e) ... ... ' “ d e a l ? « bU™inff «“« « ip m e m ' b y ' coal Som?si?y. ni'«* °* ~ 'a » ■’> T h e y sold m ore c ars (e ) ‘ I M ... t S ? ™ " ‘’0:U ".OS. 174 W idening rip p le ( e ) ... M ergers. See E conom ics ... d ItT * r. . " dHSt,° SS'' liq u id affords check ™ ne CSrs- See C ars... .l i n e C hiefs A ssn.. officers elected M ine doo rs. See Doors ... -Mine foremen BOH. A. r ta,’ . “ ades tra in foriji^cn' ! 1 ... b la c k b o a rd s dub b ed “ a s s is ta n t fore-
M.ne Timbers01**"
■ ■ ■ ■ ■ ■*38
A fte r coal, w h a t ?— C learfield Co savs tim b e r and p la n ts trees c o v e ? “ C“ r p a rtin g under" G reat B rita in tim b e rin g ' ! ! ... G reater d e p th , m o re s tre n g th (p) ' M ech an izatio n and w e^k ro o f (e) M ine p ro p s in G reat B rita in • . 125 103 333 3 1 7 7 38 3 3 4 103421 h eavy‘059 t , ' “ ' w e a i a n ta in ... Prop^ yield a fu n c tio n o f p ro p stre n g th Scrap ra il can be used aV tim b e r legs* 188 07831 0 374104 M ine tim b ers— C ont’d. S y stem atic tim b e rin g sa fe ty th em e a t R ocky M o u n tain m e e tin g ... 3 0 8 T im b e r tre a tm e n t grow s (e ) ... 7 2 8 U -bolt clip h o ld s beam on w ooden legs . *115 U sual m eth o d s m a k e b ad ro o f safe . . . *57W hat n e x t? T h is is n ex t (e ) ... 3 1 0 3Line T rac k s A ll-service ch o ck b lo ck ... *381
A ngle iro n hin g ed to r a il o p e ra te s c ar p o sitio n c o n ta c to r ...*035
A u to m a tic s w itc h on ro p e h a u la g e d e ra ils ru n a w a y , c a rs ...*253
A u to m a tic sw itch th ro w e r ...*200
B ethlehem h e av y -d u ty steel tie ...*310
C rossing a c a r p a rtin g u n d e r h eav y co v er ... *188
H inged ra ils allo w u se o f h o rn d u m p s in s e r i e s ... *737
In te rc h a n g e ab le rig h t a n d le ft fro g s . . . * 3 8 0 M achine sav es la b o r in c le an in g ... 91
P en n M achine Co.— tro lley fro g an d lin e section sw itch ...*314
P o rta b le tu rn o u t c an be la id r ig h t or le ft ...*489
R ail s an d e r ... *450
R a ilro a d v s. m in e p ra c tic e . J . F . M cC rystle ...*139
S w itches safely blo ck ed w ith t a r p ro d u c t 1 8 9 S y ste m a tiz a tio n p a y s w ay in tra c k m a in te n an c e . J . F . M cC rystle ... 4 0 9 T ra n s p o rta tio n a t C o n so lid atio n Coal C o.*585 T ra n s p o rta tio n g eared to h ig h -sp eed p ro d u c tio n a t W ildw ood ...*270
W a tt C ar & W heel Co. a u to m a tic s w i tc h . *310 W att po w er ra il b e n d er ...*310
Mi ni ng M ethods B ack fillin g in G erm an y ...*730
C u ttin g a k e rf in th e m in in g o f th in coal ... *482
E a rly ad o p tio n o f im p ro v ed m eth o d s . . . *80
F ace m eth o d s a t C o n so lid atio n Coal Co. *579 H a m m e r p ic k s u sed in G erm an y ... 23 0 H ow d a n g er o f h e a tin g is a v e rte d in m in in g th ic k beds o f E u ro p e . J. C ooper ...*417
Isla n d C reek e q u ip s all m ines w ith m o u n te d m a c h in es a n d d rills. J . H. E d w a r d s ... *403
M ine la y o u t a t C o n so lid atio n Coal Co. .* 5 7 7 9} to n s p e r m an is C lin to n ’s d a ily a v e r age. A. F .T B ro sk y ... *215
Old y e a r leav es m a rk on m e th o d s. R. D. H a ll ...: ... 3 7 P n e u m a tic p ic k s c u t dow n fines in long- fa c e w o rk . J . H . E d w a rd s ... 75
Su b sid en ce; in te n siv e s tu d y o f th e b e h a v io r o f p illa rs ... 102
M ining S ociety o f N ova S co tia m e e tin g . . . 448
M o to rs. See E le c tric ity P a g e
N
370 *492 N a tio n a l A ssn. o f P u r c h a s in g A gents D iscuss b u y in g w ith N a tio n a l Coal A ssn . 4 5 0 N a tio n a l Coal A ssn. B itu m in o u s c o al in d u s try fo re c a st a t a n n u a l o p e ra to rs co n v en tio n ... 003B itu m in o u s in d u s try c o -o rd in a te s a p p lied forces a t co n v en tio n ... 050
D om estic s to k e r to fr o n t as m e rc h a n d is in g aid ... 073
G andy resig n s. H u n tre s s succeeds h im . . 2 4 2 M eets w ith h e a tin g m en ... 122
P e rc e n ta g e d ep letio n q u e stio n ... 449
P ro p o se c a r d is trib u tio n a n d d e m u rra g e ru le s ... 501
P u rc h a s in g ag en ts d iscu ss co al b u y in g . . 4 5 0 S ta n d a rd d ep re ciatio n ra te s c au se p ro te st ... 44(5 V a lu e receiv ed (e ) 105 N a tio n a l E x p o sitio n o f M in in g E q u i p m e n t. *300 N atio n a l R etail Coal M e rc h a n ts A ssn. S u m m er sales cam p aig n ... 3 9 2 N a tio n a l S a fe ty C ouncil Codifies s ta t e s a fe ty la w s ... 334
C o n cu rren t c au se s ( e ) ... 028
M e e t i n g ... 04 0 N o rth D a k o ta L ig n ite o u tp u t c o n ce n trate d . R. L . S u th e rla n d ... 45
N o tes fro m acro ss th e s e a . . 100. 10 S. 23 0 . 3 7 4 . 4 3 0 . 4 8 2 , 542, 03 0 . 0 78. 7 3 0 O O b itu ary A sh w o rth , Ja m e s ... 5 0 3 B arn es. J o h n ...5 0 3 B erg en d ah l, C. E ... 50 3 B eury, H . B ... 7 4 0 B issell, B eniam in ... 051
B issell, H . E ... 183
Clinch, Geo. O ... 183
Clinch. R. F loyd ... 740
C ollier, J a m e s H ... 240
D avidson, W illiam J ...7 4 0 Dow. D r. H e rb ert H ... . . 095
E v a n s. J o s ia h T ... ’ ’ ' 240
F a u s t. L . H ... * ’ ‘ 74 (j G oldsborougli. C. S . ’ 5 0 3 G u th rie , T. W ... . ! ! : ! ! * ! ’ !* 7 4 7 H a rg ro v e. G eo... ... H atfield, Roy A ...* ... j 83 H em el w rig h t. F r a n k H ...18 3 H errold. H e rb e rt J . ... 183
Jam e s, J o h n R eese ... Jo n es. E d w a rd E ... ’ , ‘ ‘ ... 451
Jo n es. M ary (M o th e r) . . . . .1C*"... 74 0 K eller, T h eo d o re C ... e 5 l L a n ie r, R eg in ald ... 300
M cF arlan d . F r a n k lin P ...' . ! ! ! ’ !! 502
M cM illan. J . W illiam ... * * ’ 562
M ad eira, L o u is C ... 095
. P a g e O b itu a ry — C o n t’d. M ah a n , T . B ...: ... 74 0 M offitt, J o h n H ... 124
M oore, W a lte r ... 451
M o rg an , T h o m a s P ... 502
M o rris, C h arle s G ... 3 9 0 M o rris, R . W ... (jy M u n ro e, Jo h n ... 3 3 0 N eed h am , E d w a rd B ... 095
O sborne, A b n e r W ... 183
P re n tis s , E d w a rd L ... 740
Q uealy. P . J ... *740
R am sd en , G eorge L ... 5 0 2 R a n d a ll, D avid V ... 051
R andle. J o se p h ... 124
R an sfo rd . W . V ... 39 0 R o b in so n , W . L ... 502
R o d erick , W illiam J ... 240
R ollo, G eorge ... 24 0 R ow e, B u rto n J ... 390
Seger, J o h n ... 740
Siler. T . E. B ... 124
Sp ears. W illiam G ... 39(5 S tap les, H a rry 0 ... 24 0 T h a rp . E v e re tt ... 39 0 T h o rn e , S. B ... 39 0 T re n t. H a rv e y ... 74 0 W a tk in s, W illiam E ... 09 5 T riv e tte . L i n t o n ... 740
W h ite, E . E ... 740
W illiam s, J . S ... 74 0 O hio D u c k b ill c o n v ey o rs. R. L . I r e l a n d ...*227
O hio Coal E x c h a n g e fo rm ed ... 179
O p e ra to rs ’ A ssn ’ o f th e W illiam so n F ield m e e t i n g ... 74 0 P a c k ag e d co al offered in S o u th w e s te rn tra d e 504 P a c k in g s a id to “ d is r u p t” in stu ffin g b o x .. 702
P a in t a ir b ru s h ... *510
P a in tin g H a s a place in m in e m o d e rn iz a tio n . T . J . M a l o n e y ...*521
P a te n ts , re c en t 194, 20 0 , 3 2 0 , 3 7 8 , 4 34. 4 8 7 . 5 4 7 , 0 83. 73 5 P e n n sy lv an ia A n th ra c ite e x p erim e n ts w ith re s e a rc h — in te rv ie w w ith R. V. F r o s t ... *12
C o n q u erin g w a te r le a k a g e in m in e de v e lo p m e n t. S. E . D e B e rry ... 41 5 C orrect d r a f t g e a r d esign n a rro w s h a z a rd s in m in e h a u la g e . C E . W a t ts .*403 D aily a c c o u n tin g a ss u re s p o sitiv e co st co n tro l a t In d ia n o la . A. F . B r o s k y ..* 4 5 9 Is h e r e le c tric a l m in in g e q u ip m e n t sa f e ? G. F . N e w m a n ... 155
M an a g e m e n t o u tlo o k a t N em aco lin . . . . 2 0 3 M o d ern iza tio n in W estern P e n n s y lv a n ia . W. A. W eldin ... 40
M u ltip le s h if ts w in fa v o r in c e n tra l P e n n s y lv a n ia . H . H . H a s le r ... 42
P en sio n s P e rso n n e l p ro b le m s c h allen g e in d u s tria l th in k in g ... 100
P e rso n a l M ention A nd erso n . Geo. J ... 182
B a rr, R. E ... 451
B ird. B yron M ... 051
B lak slee. S. W ... 505
B o u rla n d . C. R ... 051
B ran d o n . M ilto n ... 24 0 B urns. J . B ... 50 5 C aldw ell. F re d C ... 124
C am pbell, Geo. F ... 39 5 Cobb, J . A ... 182
C o ch ran . I r a C ... oOiv C ollins. J o h n L ... ^ sj l C ra w fo rd . Geo. G o rd o n ... 124
C u n n in g h a m , W. H ... 124
D avis. Ben ... 74 7 D o o little. W. L ... 451
D rennen, E v e r e t t ... 051
E d m isto n . R o b ert J ... 50 5 E d w a rd s. J . H ... 502
E n g lish . T . W ... 08
E n z ia n . C h arles ... 08
E s till. R. R ... 74 7 G allow av, R o b ert E ... 39"> G andv. H a rry L ... 33 0 G arcia. Jo h n A ... 39 5 G arvey. M. L ... 051
G ibbons. C. A ... 051
G rum m . C h arles F ... 451
H am by. J . P ... 6?
H arley . H u g h J ... 39;> H a rt. J a m e s E ... 39.)
H e atlierm an . W . J ... 2 4 0 H ill. Sam ... *7?5 H o b a rt. F lo y d B ... * o l H o w a rth . W . H ...3 9 3 H o w a rth . F re d W ... 50 o H ow e, J o h n ... *>9- H u n t. A. L ... 50 o Iso n . R oy ... • 5 0 « J o h n sto n e . H a rry M ... J o n ps, R o w lan d R ... O ol Jo n es. W a lte r A ... ” 8
Kelley. W a lte r S ... ‘>62 K ennedv. J o h n ... 182
K irby. J . D ... »82
K irk a trie k . R. R ... ( if f K n ig h t. J . L ... 505
K node, R-tlph ...08. 2 4 ß L a m o n t. J a m e s ... . . . I ow rv. D r. H o m er J ... 4 ^1 McClure-. J . E ... M eH onald. H o m er F ... 3 3 0 M cE lv an y , A. B ... 7 4 7 M cG innis. Jo « ep h B ... 4 o l M cLeod. H u s h ... 694
M cM ahon. Jo h n F ... •??_* M aloney. ' . J ... £¡¡2 M r'H ney. TV 'l'e ' t P ... 3 9 5
January-D ecem ber, 1930 C O A L A G E V
P ag e P e rs o n a l M ention— C o n t'd .
M arsh a ll, A . F ... 240
M ertens, G. W ... 182
M illliouse. J o h n G ... 68
N icholson. J o h n C ... 124
N isb et, W i l l i a m ... 004
O’Toole. E d w ard ... 182
P e rc iv a l, L . C ... 182
P u rag lo v e , S am u el ... 39«> R am sey. E rsk in e ... 651
R am sey. E rsk in e ... 61)4 Reed. D av id A ... 182
R eger. D avid B ... 651
S a c k ett. F . H ... 68
Sisler. J a m e s D ... 395
S m ith . W illiam C... 505
Steffens. A lb e rt B ... 004
Sw eetser, R alp h H ... ” 47
T a it, E d g a r W ... 694
T h o m as, D. A ... 50 5 T u rn e r, S c o t t ... 182
T u rn e r, S c o t t ... 4 o l W h elan . J a m e s F ... 395
W h item an . W . V ... 182
W illiam s. H a rry G ... 502
W illiam s. T h o m a s H ... 395
W olf. W. J ... 395
W ood, Geo. A. G ... 68
W o rth in g to n , R. G ... 502
Y e tte r, A. E ... 330
P ip es Die sto c k s use se p a ra te s e t fo r each pipe s i z e ... *199
D rill gras escape holes to m a k e ja c k pipes e x p lo sio n -p ro o f ... *087
T ools fo r sm all p ip e ... 512
P o w e r-fac to r. Sec E le c tric ity P re p a ra tio n A ngle iro n s in c h u te s m in im ize w e a r. . . .* 7 3 9 B eehive ovens ta k e u p slac k in G auley M o u n tain Coal b u s in e s s ... *354
B u ild in g a b re a k e r fo r P h ila d e lp h ia & R ead in g Coal Co... 218
C ap ital and o p e ra tin g c o sts o f p re p a rin g b itu m in o u s coal. J . R. C a m p b e l l . . . . 7 1 7 C arsw ell m o d e rn iz a tio n inclu d es Rheo w ash e ry ... *224
Chicago fa v o rs d u stle ss c o a l... 390
C lean in g h a s its in n in g s ... 301
C leaning o f b itu m in o u s coal e sta b lish e s new to n n ag e record. R ogers and T ry o n . 510 Close sizin g now in Illin o is. D. R. M itch ell ... 531
Closed c irc u its fav o red in p n e u m a tic clean in g . C. H. J. P a t t e r s o n ... 533
C loser c o n tro l o f san d flo tatio n system developed b y h o u rly p la n t te sts. J . F . M cL au g h lin ... 538
C onsolidation Coal Co.— p r e p a ra tio n . . . . *595
D eister “ C oneenco” flat coal p ic k e r *311 D o rran ce w ash ery . E . S c h w e i t z e r ...*535
F ace and tip p le p re p a ra tio n a t C onsolida tio n Coal Co. . . ...*595
F it tin g p re p a ra tio n to m eet m a rk e t de m a n d s. J . B. M o rro w ... 302
F le x ib le m o u n tin g s b e st fo r “ d u stle ss” s p ra y ... *383
H u ro n screen s g ra d e c o a l ...*450
Is m ech an ical c le an in g n e x t in Illin o is? 531 L eah y " N o -b lin d ” v ib ra tin g s c r e e n *311 M echanical cleaning. A. F . B ro sk y . . . . *9
P c a ’e-D avis system o f p n e u m a tic clean in g . M. L . O’N ealc ... 079
P ic k in g -ta b le design ( e ) ... 105
P la n n e d (o s a tis fy specialized m a rk e ts b y W ildw ood. I. A. G iv e n ...*287
P la n ts , new . . 1 2 2 . 182. 33 4 . 392. 5 0 2 , 504. 04 4 . 089. 741 P n e u m a tic c le an in g o f b itu m in o u s coal. F r a s e r and M acL ach lan ...*527
R efu se disp o sal. C onsolidation Coal C o . . *598
Screen 011 p a n co nveyor aids coal c le an in g ... 189
Screen te sts m a te ria l o f la rg e s iz e *509 Screen, v ib ra tin g “ ... *755
Screen, v ib ra tin g , m ade in one u n i t . . . . *507
Screens, alloy-steel w ire ... *509
Self-clean in g a u x ilia ry s h a k in g screens used in M idland s trip p in g . K. R. B ixby.*477 S ettle m e n t o f s l u r r y ... 030
Slope o f jig screen s influences re s u lts . . 94
T h ree -c o m p a rtm e n t h y d ro -se p a ra to r w ith re w a sh fe a tu r e s ...*311
T ro ja n h a m m e rm ill ... *312
V ib ra to r screen ... 133
W ater flushed sp illag e in to su m p con- « v e y o r ...’ ... *180
W et and d ry m eth o d s o f coal cleaning. H . C. F a u s t ...*707
W hy o u r coal s h o u ld be w ashed (e) . . . 070
W ire screen s fo r co arse s iz in g ...*203
P rices B itu m in o u s sp o t coal p rice tren d s. 1925- 1 9 2 9 ...*64. 04 "C oal A ge” sp o t p rices, F . 0 . B. m ines. fo r 1929 ... 01
P u b lic a tio n s received 52, 192. 25 8 . 3 2 0 . 37 8 . 431, 43 4 . 4 8 3 . 079 P u m p s a n d P u m p in g Acid a tta c k e d o th e r p u m p s b u t n o t th is o ne ... *325
A nderson m ill-ty p e g re a se p u m p ... *455
D em ing c e n trifu g a l p u m p ... *312
D em ing d o u b le -a c tin g m ine p u m p ... *312
D ra in a g e a t C o nsolidation Coal C o ... *011
L e a k c o u n te ra c te d b y b a rre l in p u m p d isch a rg e ... *088
P u m p h a s se p a ra te b e a rin g a n d saw -to o th r o t o r ... *087
R ese atin g p lu n g e r p u m p g a s k e ts ... *57
R u b b er-lin ed p u m p ... Sludge p u m p s ... *755
Submcrg-ed p u m p ro o m solves d ra in a g e p ro b lem . I. A. Given ...*713
W a te r ta k e n o u t th ro u g h b o tto m o f deep w ell ...*635
P u n c h , s h a n k and b i t ... *202
R
R ailro a d s B u y in g in v e stig ate d ... 694E a s te rn ra ilro a d s to bu y fuel d ire c t from o p e r a t o r s ... ... 33 7 S ta k e in coal ... <>/4 W ill th e y a c t? (e ) ... 677
R ails Bends ra il w ith speed and s a f e t v *110 JSerap ra il can be used as tim b e r le g s. . . . *492
R eam er, pow er, d e v elo p ed ... 702
R efrig e ra tio n S te a m -p la n t co n d en sate m ak es b e tte r ice. 188 R efu se d isp o sal. See P re p a ra tio n R esw irch _ A n th ra c ite re sea rc h sc h e d u le d ... o;>8 W anted : m ore re sea rc h 011 acid m ine d ra in a g e . L. V. C a r p e n te r... *400
W aste o f m in e ra l w e alth to be s tu d ie d .. . 00
W ise b e g in n in g (e) ... 370
R ock D ust H elp fu l d u s t, is th e re su ch a t h i n g ? . . . . 157
R e tu rn airw a y s filled w ith g as (e ) . . . . 7 2 8 R ock d u s t v eils ( e d ) ... 070
W h a t’s w ro n g w ith w a te r ( e ) ... 7 2 8 R ock d u s tin g B y p ro d u cts o f ro c k -d u s tin g ( e ) ... 429
R ocky M t. Coal M ining In s t, m e e tin g 347 R u ss ia E m b arg o ask ed in H ouse C o m m i t t e e .. .. 45 0 E m o tio n and econom ics ie ) ... 4 8 0 E x c lu sio n o f Soviet a n th ra c ite receives s e t b a c k ... 332
U. S. im p o rts o f S oviet coal increase in 1930 ... 501
s
S a fe ty A chievem ents rew ard ed ... 244A re sa fe ty reco rd s re a l o r sy n th e tic ? a sk s Illin o is I n s t ... 423
A u to m a tic po w er releases g u a rd ag ain st d an g ers fro m v e n tila tio n fa ilu res . . . . * 4 8 8 B an q u e ts h eld to c ele b ra te th ird y e a r of safe o p e ra tio n ... 174
C onsolidation Coal Co.— sa fe ty ... 004
C ylindrical first-aid k it ... *203
D rill gas escape h o les to m a k e ja c k pipes ex plosion p ro o f ...*087
E q u ip m en t reduces i n j u r i e s ...*314
F u ll-size coal face b u ilt on w all n e a r o f f i c e ... 491
G uarded fleetw ays m ak e m ines s a f e r . . . . *325
H at p ro te c tiv e , fo r m in e u s e ...*511
H elp fu l d u st, is th e re su ch a t h i n g ? . . . . 157
H oist co n tro l in te rlo c k e d w ith s u rfa c e g a t e s ... *737
H ow to ach iev e sa fe ty reco rd s ... 304
In te rn a tio n a l sa fe ty m eet goes to L o u is ville ... 334
L ig h tin g cab le ... 754
L ig h ts a t sw itch a v e rt a c c id e n ts ... *50
M ine in sp ecto rs discuss sa fe ty p ro b le m s 3 0 5 N otes from acro ss th e sea ... 100
Once g en erated po w er; now g e n erates in te re s t ... 188
O ur m en acin g re tu rn s (e ) ... 728
P e n n sy lv an ia ask s, is h e r e’e e tric a l m in in g eq u ip m e n t sa fe ? G. F . N e w m a n . . 155
P itts b u r g h Coal C o.'s ru le s fo r c u tte rs . . 71
P o rta b le f ir f - a id s ta tio n ...*323
P o rta b le sa fe ty b o a rd ...*430
P re c a u tio n s n e ce ssa ry in d rillin g wells th ro u g h co al m ine w o rk in g s ... 80
P re m ie r Coal Co. receives a w ard ... 742
R eal o r s y n th e tic ? i e ) ... 429
R e tu rn a irw a v s filled w ith g as (e ) . . . . 728
R o ck -d u st v eils (e) ... 070
Saw g u a rd co m b in es sa fe ty and fa c ility . .* 0 3 9 S ig n b o ard lo c a tin g d a n g er ...*739
S y ste m a tic tim b e rin g sa fe ty th em e a t R ocky M o u n tain m e e t i n g ... 3 0 8 "T h e re o u g h t to be a la w ” ( e ) ... 1G0 U n d erg ro u n d office fo r sa fe ty en g in e er. . *118 W h a t's w ro n g w ith w a te r (e) ... 7 2 8 S cien tist— we re a p w h a t we sow ( e ) ... 2 35 S c rap er lo ad ers M achine lo ad in g a t C onsolidation Coal C o... *581
S creens. See P re p a ra tio n Selling. See M erch an d isin g S h erm an A ct— n e ith e r dead n o r sleeping (e ) 2 3 5 S hovel, c ra w le r - m o u n te d ...*754
S izing. See P r e p a ra tio n Slogans— p rizes a w ard ed ... .. . 243
Sm okeless Coal O p erato rs A ssn.— election 00 S o u th e rn A p p a lac h ia n Efficiency A ssn. B udgeting en ab les m ine m an ag em en t to c h a r t f u tu r e p ro g ress ... 2 4 5 M eeting ... 742
S o u th ern Wyoming: Coal O p erato rs A ssn. E lectio n m e e tin g ... 451
Speed reducers A n ti-fric tio n speed r e d u c e r ... 512
R ig h t angle drive-speed red u cer ...*198
Spoil re c la m atio n (e ) 234
S ta n d a rd iz a tio n Coal c lassificatio n system o ffe re d ... 240
Isla n d Creek e q u ip s all m ines w ith m o u n ted m ach in es and d rills. J . H . E d w a r d s ... *403
S to k ers A u to m a tic s to k e rs ...*100
D om estic s to k e r to fr o n t as m e rc h a n d is in g aid ... 073
S u rv ey s P e rc h -fo o t co n v ersio n ta b le sav es tim e in title w o rk ... 080
S trip p in g E n g in ee rin g fo re th o u g h t fe a tu re s K ansas s trip p in g . A. F . B rosky ... *524
M idland s trip p in g m ines 3 3 -in . coal u n d er 2 5 -ft. co v er. K. R. B i x b y ...*477
P ro b lem s and p ro g ress ... 95
P ag e S trip p in g — C o n t’d. Subsidence. See M in in g M ethods S u b sta tio n s. See E lec tric ity S u lp h u r in coal (e ) ... 23 4 Supplies P lu g g in g th e le a k s in su p p ly co sts. V . B. S t i t h ...*722
Psy ch o lo g ical co n tro l o f in v e n to ry . . . . * 1 8 8 P ag e
T
T ariff A n th ra c ite proposed ... 245On C anadian c o als to be r e s to r e d ... 119
S enate d e fe a ts o il ta riff ... 24 7 T axes A ttitu d e o f ta x b o a rd s till u n d e f i n e d ... 095
D epletion b y new in co m e p e rcen tag es sh o u ld in duce ta x a tio n . M. W. K riegh 725 M arsh F o rk decision. E . L . B ailey . . . . 539
P e rc e n ta g e d e p le tio n a d v o c a t e d ... 09 3 T elephone U n d e rg ro u n d p h o n es a t C onsolidation Coal Co. ... *592
T elep h o n e ty p e w rite r cen tra lize s c o n tro l. . 72 7 T em p let fo r m a k in g p r o f i l e s ... .. . .* 5 0 9 T h rea d e r— h e a v y -d u ty w ith a u to m a tic die- h ead ...*500
T ire tu rn in g A nnealing, b e st p ra c tic e fo r tire tu r n in g . .* 4 3 9 T u rn in g o f tire s w ith o u t a n n e a lin g . . . . *185
T ires H igh carb o n s trip s gives s a tisfa c tio n as w elded tre a d f i l l e r s ... *548
Tools G rooving tool said to c u t p e rfe c t c irc le . .* 2 0 3 T o p w o rk s c o n stru c tio n a ctiv e in 1 9 2 9 . . . . 48
T rac k s. See M ine T ra c k s T rad e l i t e r a t u r e . . 52, 113. 194. 2 0 0 . 3 2 7 . 379, 4 35, 4 9 3 . 553. 73 5 T ra d e P rac tic e s Code a d o p ted b y do ck o p e r a to r s ... 07
C olorado and N ew M exico ad o p t co d e. . 24 0 Exp erien ce p roves ben efits. R. E. H ow e. 10 F a ir p ra c tic e code ap p ro v e d by F e d e ra l T ra d e C om m ission ... 123
F a ir tra d e p ra c tic e codes open d o o r to s ta b iliz a tio n . E . C. M ah an ... 14
F e d e ra l T ra d e allow s in d u s trie s to a p p ro v e code c h an g e s ... 451
H erald s d aw n o f s ta b iliz a tio n . J . L . D avidson ... 18
In d ia n a read y to try . R. H . Sherw ood 10 K an sas and M isso u ri o p e ra to rs a d o p t code 741 M eans real self-g o v ern m en t. O. J . G rim es 17 Success in v ite s e x ten sio n . E . II. C layton 17 T ro lley c irc u it code p ro p o sed ... 93
T ro lley g u a rd Used b eltin g does w ell as tro lley g u a rd . . *115 T rolleys A d a p ter and su sp en sio n h a n g e r ... *400
F r o g fo r h e av y w ire ...*100
M ine h a rp ... *754
T ru ck s F e d e ra l tru c k w ith c a p a c ity o f 1 to 1J to n s ...*509
L ift tru c k ... *203
R elay m o to r tru c k ...*455
Six-cylinder fo r fa s t d elivery ... *200
T ru c k serv es as h o is t in s h a ft s in k in g . . . .* 0 8 8 T u rn in g o f tires w ith o u t a n n e a lin g ...*185
U
U n ited M ine W o rk ers A p p eals to th e c o u r t s ... 0-4 8 A sk fed eral a id fo r coal in d u s tr y 091 In s u rg e n ts s p lit w o rk e rs: In d ia n a c o n tra c t signed ... 24 3 L a b o r u n re s t sp re ad s ... 4 9 9 L ew is and aids face c o n te m p t a ctio n in Illin o is ... 391M iners’ u n io n fight co n tin u e s in K a n sa s a nd Illin o is ... 3 3 2 V o tes fin an cial s u p p o r t ... 44 0 U. S. B u re au of M ines A p proved lis t o f p e rm issib le ex p lo siv es reissu ed ... 4 ° 0 A pp ro v es e x p lo siv es. .2 4 5 . 39 2 . 50 2 . 50 2 , 092 A pp ro v es C ardox ... 124
D is trib u tio n stu d ie s plan n ed ... 044
Issu e s perm issib le p la te s . .0 0 . 120. 184. 3 3 0 . 4 4 8 . 50 0 . 501. 052. «<»0 T ra ilin g cab le a p p ro v ed ... 092
T ro lley -circu it code p ro p o s e d ... 93
U . S. C h am b er o f Com m erce F o u r c o al men ap p o in ted ... 4 5 0 U ta h , b roadens m e c h an iz a tio n . O»*o H ^ r e s . J “> U ta h Coal P ro d u c e rs ’ A ssn., elects o fficers. 33 0
V
V acuum e’e an e r ... *510V alves e lim in a te s san d in g tro u b les ...*738
V e n tila tio n A u to m a tic po w er rele a se s g m r d ag ain st d a n g e rs fro m v e n tila tio n fa ilu re s . . . . * *88
C onsolidation Coal Co.— v e n tila tio n . . . . *007
E le c tric ity g u a rd s d o o rs and a ir c u rre n ts . H. S. L ittlew o o d ... *89
F a n o p e ra tio n sh o w n by b ’in k e r ... *117
L o cate openings f a r a p a rt to av o id re c irc u la tio n ... 38 2 Model fa n in s ta lla tio n in A la b am a m ine h a s re v e rse ro ta tio n sto p ...*114
Slow speed d ire c t c'm n eeted m o to r in stalled on G ra n t Tow n f a n ... *117
W ildw ood v e n tila tio n . ...*285
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