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McGRAW-HILL COMPANY, INC.

1 0 th AVE. A T 3 6 th S T . N EW Y O R K

J a n u a r y 1 t o J u n e 30, 1925

With Which is Consolidated The Colliery Engineer

DEVOTED TO THE OPERATING, TECHNICAL AND BUSINESS PROBLEMS OF THE

COAL-MINING INDUSTRY

IS S U E D W E E K L Y

V O L U M E X X V II

r^ tO L O G IM l^ j

:<i SEP 15 1925

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f 6 ft AH ^

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(2)

I N D E X T O V O L U M E XXVII

January 1 to June 30, 1925

N O T E — T h e a r t ic l e s a n d r e f e r e n c e s in th i s in d e x h a v e b e e n c la s s if ie d u n d e r le a d in g - s u b ­ je c ts o r to p ic s , a s f a r a s p r a c tic a b le , a n d s h o u ld b e s o u g h t u n d e r s u c h h e a d s , w h ic h to g e th e r w ith a ll u n c la s s if ie d m a t t e r a r e a r r a n g e d a l p h a ­ b e t ic a l ly . I l l u s t r a t e d a r t ic l e s o r c u t s s ta n d in g b y th e m s e lv e s a r e in d ic a te d b y a n a s t e r i s k ( * ) . A ll e d i to r ia ls a p p e a r u n d e r t h a t s u b je c t, e a c h h a v i n g its e x a c t ti tle . E ls e w h e re th e s u b je c t m a t t e r o f a n e d ito r ia l w ill b e f o u n d c la s s ifie d a n d m a r k e d ( e ) . M a n y ti t l e s o f a r t ic l e s a r e a b b r e v i a te d , th e a im b e in g to g iv e p r o m in e n c e to im p o r t a n t w o rd s.

F o llo w in g is a l i s t o f th e p a g e s in c lu d e d in e a c h is s u e o f t h e v o lu m e , t o g e t h e r w i t h d a te a n d n u m b e r o f t h e is s u e , f o r c o n v e n ie n c e o f r e f e r e n c e :

P p . ... 1 - 3 2 ... 3 3 - 0 4 ... 65-13(5 ... 1 3 7 - 1 7 2 ... 173-20(3 ... 2 0 7 - 2 4 2 ... 2 4 3 - 2 7 8 ... 2 7 0 - 3 1 4 ... 3 1 5 - 3 5 0 ... 3 5 1 - 3 8 6 ... 3 8 7 - 4 2 0 ... 4 2 1 - 4 5 6 ... 4 5 7 -4 9 2 ... 4 9 3 - 5 2 8 ... 5 2 9 - 5 6 4 ... 5 6 5 -0 0 0 ... -6 0 1 -6 3 2 ... 6 3 3 -6 6 8 ... 6 6 9 -7 0 6 ... 7 0 7 -7 4 0 ... 7 4 1 -7 8 0 ... 7 8 1 -8 1 4 ... 8 1 5 -8 6 2 ... 8 6 3 -8 9 4 ... 8 9 5 -9 2 8 ... 9 2 9 -9 6 8

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A c c id e n ts , S ee a l s o “ F a t a l i t i e s ”

— M e c h a n ic a l lo a d in g s a f e r — n o f a t a l a c c i­

d e n ts ...

— P a r le y o n m in e a c c id e n ts te n ta t iv e ly s e t

— P in c h o t r e p o r t s b ig r e d u c t io n o f a c c id e n ts in P a . m in e s ...

— R o o f f a l ls c a u s e m a n y a c c id e n ts ...

— S ix m e n k ille d in K y . m in e ...

— R u h r m in e b l a s t c o s t liv e s o f 1 3 5 m in e r s

— S u lliv a n . I n d ., E x p lo s io n k ills 5 1 m e n

— B o y k ille d p la y in g in o ld m i n e ...

— P r e s a g in g a c c id e n ts , ( e ) ...

— C y clo n e o v e r t u r n s R .lt . c a r s o n to m i n e r s ’ a u to s , * 5 1 0 : N e w O r ie n t office b u ild in g s to o d firm

Pair*?

- H o r s e d r o p s in t o

- R a t i o o f s l i g h t a n d sets e r io u s a c c id e n ts to f a t a l i t i e s . ...

— E x p lo sio n * o f p d w d e r m a g a z in e t r a p s G e r­

m a n m i n e r s ... ...

A ir-s e a le d t a n k k e e p s v a r n i s h e s ir ç § h . . . . ‘ A la b a m a

— R o c k d u s tin g s p r e a d s ...

— M ergerB in c o a l m in e s ...

6 9 1 2 5 1 2 7 1 4 7 1 5 4 2 9 5 3 3 3 3 3 5 3 8 8

5 1 3 6 1 7 6 9 4 8 0 0 6 2 0

2 6 1 4 2 4

w o r k , 1 7 : A la s k a

— J u n e a u G o ld M in in g C o., (e ) ... 5 2 9 A lie n w o r d s in c o a l in d u s tr y , (©) . . . .3 1 6 , 3 2 0 A m a lg a m a s f u e l in b r ic k s o r in b u l k . . . 1 4 0 A n th r a c i te

— U tiliz in g s m a ll s iz e s, (e ) .

— O u tla w s t r i k e r s r e t u r n to

P e a c e d e f e r r e d ...

— P r e p a r a t i o n s a f o o t f o r n e w a g r e e m e n t

— P r o g r e s s b y in c r e a s e d efficien cy . . . .

— O u tla w s tr ik e s m o s t d is tu r b i n g f a c to r ,

* 9 5 : R a n g e o f p r ic e s 1 9 1 3 - 2 4 : d i a ­ g r a m , 9 6 ; L o s s ...

— A p p e a l to G o v . P i n c h o t to p r e v e n t s tr ik e , 1 5 4 : S t r i k e c a lle d off ... 1 8 8

— N e w Y o r k p r ic e s f o r F e b r u a r y , 2 2 3 : M a r c h . 3 6 9 , 4 7 8 ; A p ril. 5 0 9 : M ay . 6 9 0 : J u n e ...

— S a le s p r o b le m s m u ltip ly , (e ) ... 2 8 0

— M u c h lo s t in m in in g a n d p r e p a r a tio n . . * 2 8 5

— R e c o v e ry r e d e p t h a n d t h i c k n e s s o f s e a m s 2 8 6 .

— M u s t n o t s le e p o n i t s p r o b le m s ...

- —O u tp u t a n d v a l u e . 1 9 2 3 . b y c o u n tie s . .

— S ta n d a r d iz a t io n a d v a n c in g . ( e ) 4 2 2 : U n if o r m i ty n e a r a c c o r d : p ro p o s e d n e w s ta n d a r d s : ta b le , 4 3 6 : O p e r a to r s a p p r o v e , 4 7 7 ; M e r c h a n ts a n d o p e r a t o r s p le a s e d ... 5 1 3

1 2 4 4 8 7 7

. . 1 8 8

8 4 8

2 8 9 3 3 1 3 3 3

P a g e , A n t h r a c i t e — C o n t'd .

— P r o s p e c ti v e c o n d itio n s , (e ) ... 4 5 S

— C o m p e titiv e p r e s s u r e g r o w s in h a r d - c o a l m a r k e t s ... * 4 9 5

— N e w E n g la n d d e a le r s s e e m e n a c e to a n t h r a c i t e in w id e r u s e o f s o f t c o a l . . 5 1 2

— M u s t • c h a n g e m e r c h a n d is in g p o lic ie s to c h e c k c o m p e titio n ...* 5 3 8

— D o m e s tic to n n a g e in la r g e c itie s ; t a b l e . , 5 3 9

— S m a ll s iz e s p r e s e n t p r o b le m s . * 5 6 7 ; C h a n g e s in p e r c e n ta g e s o f s h ip m e n ts ; ta b le . 5 6 9 ; P u b l i c i t y n e e d e d ...* 6 1 3

— R e o p e n in g th i c k , f la t c o a l b e d s ... * 5 7 9

— T o o v e rc o m e c o n s u m e r s ’ r e s is ta n c e to p e a c o a l ... * 6 1 3

— B u c k w h e a t d e m a n d s r e c o g n itio n in m e r ­ c h a n d is in g ...* 6 3 8

— B r e a k e r t e s t s ; ta b le s ... 6 4 2 -4

— T e s ts o u t m a n y p la n s to p o p u la r iz e b u c k ­ w h e a t ...* 7 1 2

— C a n a d ia n c o a ls te s t s u p e r io r ... 7 1 8

— T r i d i s t r i c t m i n e r s c o n v e n tio n ... 7 6 3

— N e e d to a t t e n d c o n g re s s , ( e ) ... .. 8 1 6

— P ric e s in f o r m e r d a y s ( 1 9 0 5 ) ... 8 7 9

— M in e rs p r e p a r e w a g e d e m a n d s ... 9 5 4 A s s o c ia tio n s

— A m . E n g r 'g C o u n c il, D is c u s sio n o n g o v t.

s p e n d in g ... 1 5 8

— A m . E n g r ’g S ta n d a r d s C o m . a p p r o v e s f o u r c o a l m g . c o d e s, 3 3 4 ; T o f r a m e n e w v e n t i l a t i o n c o d e ... 8 5 0

— A .I .M .E .. w ill c a n v a s s q u e s tio n . “ W h a t is c o a l? ” 1 5 2 ; P l a n s b ig N . Y . m e e t­

in g . 1 9 2 : D is c u s sio n s, * 3 1 7 ; M in e e le c ­ tr i f ic a tio n . 6 1 8 ; B a i n b e c o m e s sec. . . * 8 4 9

— A m . M g. C o n g re ss. C in c in n a ti M a y m e e t­

in g . 4 0 5 , 4 4 2 ; ( e ) , 5 6 5 ; P r o g r a m , 7 4 3 , * 7 4 4 : R e s u lts , ( e ) ...8 1 5 ; C in ­

c i n n a ti * 8 1 7

— A m . S ta t e G e o lo g ists ( N . Y .) e le c t o ffic e rs ... ... 3 3 6

— A m . W h o le s a le C oal A ss n . a n n u a l tfieet- in g , 7 2 3 ; C o n d em n m o r e g o v t, in b u s i­

n e s s ... 8 4 ?

— C o al M g . I n s t, o f A m e ric a , m e e t a t J o h n s t o w n . P a ... 1 5 6

— C o al M g . I n s t , o f P i t t s b u r g h o rg a n iz e d . 1 2 7 . 1 8 5

— C o al T r a d e A s s n ’s c a u tio n e d , ( e ) ... 8 9 5

— F a y e tte - G r e e n e C o al P r o d u c e r s A ssn ..

S h o p - ta lk m e e tin g ... 6 5 2

— H o c k in g V a lle y o p e r a t o r s f o r m a n a s s n ... 6 1 6

— M a s s. c o m . on th e n e c e s s a r ie s o f li f e . . . 6 8 6

— M id -w e s t r e t a il o r s s tu d y to im p ro v e s e r v ic e a n d c u t c o s ts ... 9 1 2

— M in e I n s p e c t o r s ’ I n s t. o f A m erica . A n n u a l m e e tin g ...6 8 6 . 7 9 0

— N a tl . C oal A s s n . A n n u a l c o n v e n tio n , 1 9 0 ; W h i te to c o n f e r o n s ta t is tic s . 2 9 5 ; S p e c ia l c o m . o n c o - o p e r a tiv e m a r k e t ­ in g , 2 9 7 ; C h ic a g o m e e tin g in J u n e . 4 0 4 ; T o d is c u s s c o a l f in a n c in g . 8 8 0 ; T o s tu d y c o a l s ta t is tic s , ( e ) . . . . 9 2 9 ; 9 3 1

— N a tl . I n d u s t r i a l C o n fe re n c e B o a r d m e e ts 7 6 2

— N a tl . R e ta il C o al M c h ts . A s s n . a n n u a l m e e tin g , 6 9 0 , 7 2 6 ; C o n v e n tio n o p p o se s O d d ie b ill ... 7 6 0

— N e w E n g la n d C o al D e a le r s A ss n . to b e a d d re s s e d b y W . H . W illia m s ... 4 4 0

— N o r th e r n W . V a . C o al O p e r a to r s ’ A ssn . e n g a g e s a t t y ... 6 6 6

— P a . R e t a il C o al M c h ts . A ss n . d is c u s s liv e to p ic s ... 6 1 2

— R o c k y M t. C o al M g . I n s t, s e s sio n 3 3 4 . * 3 5 8

— T r a d e a s s n ’s e c o n o m ic a n d le g a l s t a t u s d e fin e d , 6 9 1 ; W in a n t i - t r u s t s u it.

8 4 6 . 8 7 9 ; (e ) 8 9 5

— U . S. C h a m b e r o f C o m . m e e tin g . 6 8 6 ; A d d re s s b y A . C . D o d so n 7 9 5 ; (e ) 8 1 6

— U . S. C o a l C o rn ’s d a t a in c o a l in d u s tr y 6 3 5

— W . V a . C o al M g . I n s t , a s s e m b l e s ...*871

— W h ite . J . W .. to h e a d E n g r s . S o e ... * 1 5 7 A u s t r a li a

— B ig E n g lis h s h o v e l lo a d s S to n s p e r d ip *5 B

B id s a n d C o n tr a c ts

— U . S . E n g r ’s P h i l a . o ffice a s k s b id s o n s e m i- b it. c o a l ... 2 9 7

— M is s is s ip p i R iv e r C o m . to o p e n c o a l b id s 3 3 4

— P i t t s b u r g h & W . V a . R y . a s k f o r b id s o n c o a l ... 4 0 1

— M a s s a c h u s e tts C o m m is sio n to a s k b id s on s o f t c o a l ... 4 4 1

— P i t t s b u r g h , S h a w m u t & N o r th e r n R .R . f o r s o f t c o a l ... 4 7 8

— S e a b o a rd A ir L i n e R y . a s k s f o r co al b i d s ... 4 7 9

— B u ffa lo , R o c h e s te r & P i t t s b u r g h R y . Co.

a s k s f o r b id s ... 5 1 2

— N ’a v y o p e n s c o a l b id s f o r L a k e s N a v a l H o s p ita l. 5 8 2 ; O th e r b id s . 6 9 0 ; B id s o p e n e d , 7 6 1 : R e c e iv e s 7 5 b id s to s u p p ly fle e t. 7 9 9 ; R e je c te d ... S S0

— - P a g e

B id s a n d C o n tr a c ts — C o n t'd .

— G o v ’t b u r e a u s s e e k b id s o n c o a l s u p p lie s 6 5 3 , 6 9 1

— L iv e ly b id d in g f o r f e d e r a l a n d s t a t e f u e l c o n t r a c ts ... S 4 6

— N a v y a w a r d s c o n t r a c ts f o r h a l f - m il lio n to n s c o a l ... 9 1 1 B itu lo id . a e o llo id a l o il, te s t e d f o r la y in g

co a l d u s t ... 5 3 7 B la s tin g , S ec a ls o “ E x p lo s iv e s ”

— P r e c a u t io n s a g a in s t s t r a y ele c . c u r r e n t s 2 8 4

— C u s h io n e d s h o o tin g u p h e ld ... 3 5 9

— S n u b c u t r e a d y f o r s h o o tin g : r e s u lt s . . . * 4 6 3

— E le c . s h o tf ir in tr v s . u s e o f f u s e ... 4 6 3

— W a s te o f li a lf - s ti c k o f p o w d e r ...4 7 1

— F o r t y a r r e s t s in I n d ia n a m a y im p r o v e s h o tf ir i n g ... 6 1 6

— S h o o tin g a n t h r a c i t e ... 8 3 5 B o ile rs a n d F u r n a c e s

— S to k e r s a t c e n t r a l p o w e r p l a n t ... * 12

— M e c h a n ic a l s to k e r s b u r n f u e l m a r k e t r e f u s e s ... * 8 5

— D is c a rd e d b o ile r s u ti liz e d a s a i r r e ­ c e iv e r s ...* 2 2 9

— V o lu m e tr ic m e a s u r e m e n t o f f u e l ...* 3 1 3

— M a g a z in e -fe e d h e a t e r a s u c c e s s , 6 4 1 ; I t s a d v a n ta g e s ... * 7 1 4 B r a s s li n e r c e m e n te d a t b o tt o m o f b o r e ­

h o le ... * 6 1 9 B r id g e p o s t tr a n s f e r c o a l- s to r a g e y a r d s . . . . * 6 4 0 B r iq u e ts , S ee “ F u e ls ”

B u r e a u o f C o al E c o n o m ic s

D ia g r a m s s h o w in g p e r c e n ta g e o f f u ll tim e o p e r a t io n a n d c a u s e s o f ti m e lo s t in fo llo w in g s t a t e s :

I n d ia n a ... ' ... 1 1 5 I llin o is ... 1 1 5 K e n tu e k y : H a r la n a n d H a z a r d fie ld s. 1 0 6 ;

N o r th e a s t e r n a n d W e s te r n fie ld s . . . . 1 1 6 O h io : N o r th e r n a n d C e n t r a l d is tr i c ts :

S o u th e r n d i s t r i c t ... 1 0 4 P e n n s y lv a n i a : C e n tr a l fie ld a n d S o m e r ­

s e t C o u n ty , 1 0 7 ; P i t t s b u r g h a n d W e s t­

m o r la n d d i s t r i c t s ... 1 1 2 V ir g in ia ... 1 1 7 W e st V ir g in i a :. P o c a h o n t a s a n d T u g

R iv e r d is tr i c ts . 1 0 8 ; C u m b e r la n d - P ie d ­ m o n t d is tr i c t a n d F a i r m o n t r e g io n . 1 0 9 ; K a n a w h a a n d L o g a n d is tr i c ts , 1 1 3 ; K e n o v a - T h a c k e r d is tr i c t ... 1 1 7 D ia g r a m s s h o w in g rangre o f s p o t p r ic e on

m a r k e t s f o r c o a l m in e d in fo llo w in g s t a t e s :

A la b a m a : B ir m in g h a m m a r k e t ... 1 1 6 I n d i a n a : C h ic a g o m a r k e t ... 1 0 5 I ll in o is : C h ic a g o m a r k e t — S o u th e r n

d is t.. 1 0 3 : C e n tr a l d is t.. 1 0 4 : S t.

L o u is m a r k e t— M t. O liv e d is t., 1 1 7 ; S ta n d a r d fie ld ... 1 2 1 K e n tu c k y : E a s t d is t.— C h ic a g o . C in-

c in c in n a ti a n d L o u i s v i lle m a r k e ts . 1 1 2 : W e st d is t.. L o u is v ille m a r k e t ... 1 1 6 O h io : H o c k in g d is t.. C o lu m b u s m a r k e t.

1 0 7 ; P i t t s b u r g h N o . 8 d is t.. C le v e­

la n d m a r k e t ... 1 1 5 P e n n s y l v a n i a : B o s to n m a r k e t — C a m b r ia

a n d S o m e r s e t C o u n tie s . 1 0 6 : C le a rfie ld d is t.. 1 0 8 : P i t t s b u r g h m a r k e t — P i t t s ­ b u r g h d i s t ... 1 0 9 W e st V ir g in i a : K a n a w h a fie ld — C o lu m b u s

a n d C in c in n a ti m a r k e ts . 1 1 3 : F a i r - m o u n t d is t.. P h ila d e lp h i a m a r k e t : S m o k e le s s fie ld s, B o s to n m a r k e t . . . . 1 1 4 B u r e a u o f M in e s

— R a d io in v e s t ig a t io n s ... 8 0

— R e s is ta n c e o f c a r s to a i r c u r r e n t ; e x p e r i­

m e n ts ... 2 1 4

— S a f e t y e x t e n s io n s e r v ic e ... 2 6 1

— T r a n s f e r , to D e p t, o f C o m m e rc e d e n ie d , 4 7 8 ; L e g a l a s p e c ts s tu d ie d , 5 4 7 , 6 9 0 , 8 5 1 ; B a in r e s ig n s d ir e c to r s h ip ... * 8 4 9

— P i t t s b u r g h c o n f e r e n c e p r o g r a m . 5 4 7 ; D is ­ c u s s io n ... 6 4 8

— P i t t s b u r g h E x p e r im e n t S ta t io n ... * 6 4 9

— O . P . H o o d m a k e s t r i p to A la s k a . . . . 8 4 9

— S h if te d t o C o m m e rc e D ep t ... 8 7 6

— C o - o p e r a tiv e p la n to im p r o v e s t a t i s t i c a l s e r v ic e in c o a l in d u s tr y ... 9 4 9

— D e p t, o f C o m m e rc e v s . M in e s a n d I n ­ d u s t r y . ... 9 5 0

C

C a lc iu m c h l o r id e f o r b in d in g c o a l d u s t . . 5 5 0 C a n a d a

— M a r itim e p r o v in c e s u r g e h ig h e r d u t y o n U . S . c o a l ... 1 8

— N o v a S c o tia w a g e p a r l e y a d j o u r n s in d e a d lo c k . 4 6 : B e c o m in g s e r io u s , 1 2 5 ; M in e rs e v a d e p a r l e y ... 1 5 5

(3)

Jan uary-Ju ne, 1925

P a s ’©

C a n a d a — C o n t’d . ■

- —C o al o u t p u t , 1 9 2 4 , f e l l 2 3 p r., c t . . . . 1 2 7

— O u tp u t, 1 9 2 4 , c u r t a il e d b y s tr ik e s , * 1 8 0 ; I m p o r t s , t a b l e ...* 1 8 1

— S y d n ey , N . S .. P r in c e s s m in e , * 1 8 0 ; G la c e B a y , N . S ., C o llie ry ...

— I n d u s tr ia l- d is p u te s a c t u n c o n s ti tu ti o n a l . 1 9 1

— A lb e r t a I n d u s t r i a l R e s e a rc h C o u n c il s o lv ­ ing: i t s c o a l p r o b le m s , 2 2 6 ; M a p o f c o a l fie ld s ... . . . * 2 2 7

— B r it is h E m p ir e S te e l Co. v s . U n ite d M in e W o r k e r s ... 2 9 3

— A lb e r t a o p b r a t o r s to e n d u n io n ag ree - m e n t ... • . • . . • • • • • 4 0 4

— N o v a S c o tia m i n e r s q u it , 4 0 5 ; A c c e p t o ld s c a le , 5 1 0 ; D e a d lo c k in s tr ik e , see “ S tr ik e s .”

— S u b m a r i n e m in e a t G la c e B ay , N . S. . . 4 /1

— T o in c r e a s e t a x o n U . S . c o a l ... *>03

— A lb e r t a m in e s c u t w a g e s ... . . . .

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f o r ... 2 9 0

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— A n a ly s is o f L y k e n s b e d , a n t h r a c i t e ; ta b le 9 0 3

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O’T o o le c o m b in e d c u t t e r a n d lo a d e r . . . .* 7 8 3 S to e k ly c u t t e r a n d lo a d e r — 2 u n i t s . . . . * 7 9 1 P o w e r s n u b b e r a t w o r k ...* 8 3 4 C o al I n d u s tr y . S e e a ls o “ T r a d e a n d C o m m e rc e .”

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2 4 ; ta b le , 8 9 ; D e s tin a tio n , 1 9 2 4 s h ip - m e iits ; ta b le --- . . . 9 0 R a t e o f g r o w th s h o w s in r o a d s o f o il on

c o a l * 0 1 : R e la tiv e g r o w th o f c o a l, o il a n d 'w a t e r p o w e r; ta b le . 0 2 : D o . c o a l, o il a n d g a s . w a te r p o w e r a n d t o t a l e n ­ e r g y ; d ia g r a m s ... * 03 H o p e s f o r r a t e d e c is io n s a s s u r in g p e r ­

m a n e n c y ... 8 8

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— A la b a m a , B ir m in g h a m c o a l tr a d e g a v e s m a ll p r o f it s f o r y e a r ... 115,

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— L a r g e - s c a le m e r g e r s o n ly r e lie f f o r c o a l in d u s tr y ... 6 5 1

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— I n d u s t r i a l c o n s u m p tio n , A p r il ... 7 9 7

— G a n d y . H . L ., s c a n s f u t u r e o f t h e in ­ d u s tr y ... 8 3 6

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— S a f e ty i n b u r e a u c r a t i c c o n t r o l, ( e ) . . . 8 6 4

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— S u m m e r v s . w in te r c o a l c o n s u m p tio n , (e ) 9 2 9 , .948

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— A s s ig n e d -c a r d e c is io n m a y in c r e a s e c o a l s to r a g e ... 1 5 5

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■ s ta t e s ; ta b le ... 8 7 7

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(e ) ... 1-

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— B e ll & Z o lle r C o al C o., r e c o r d o u t p u t a t Z e ig le r. I l l ... 7 9 7

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— B e th le h e m M in e r s ’ C o rp ., 4 7 2 , 4 7 4 . . . . i>31

— C h ic., W ilm in g to n & F r a n k l i n C o a l C o., O r ie n t N o . 2 , W . F r a n k f o r t . 1 1 1 .'--- * 8 2 2

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< S36: Co. g o e s n o n - u n io n ... 8 7 7

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e n jo in e d ... . 6 8 6

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* 7 3 7 ; N o . 2 b r e a k e r , K in g s to n , P a . .* 9 2 4

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— P o n d C re e k P o c a h o n t a s C o al Co., B a r t ­ le y m in e , W . V a., * 8 1 1 ; B ig - F o u r m in e , W . V a ...* 9 5 0

— P r ic e - P a n c o a s t C o a l C o .’s c o llie r y . . . . * 7 5 7

— P r in c e to n M in in g C o., m a in s h a f t n e w K in g ’s m in e , I n d ...* 7 9 9

— R a le ig h C. & C. C o., R a le ig h s h o p s , W . V a ... * 5 7 8

— R e p u b lic I r o n & S te e l C o .’s S a y r e to n m in e , B ir m in g h a m , A l a ... * 8 1 8

— R ic h m o n d a le C o a l Co., E le c . h o r n m o u n t ­ e d 011 b r e a k e r ... * 619

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— S te a r n s C o al & L u m b e r C o ., F id e lity , K y ., c o n v e y o r lin e , * 5 2 4 ; m a in o f ­ fice. S te a r n s , K y ...* 9 0 4

— S u s q u e h a n n a C o llie rie s C o., L y k e n s V a l­

ley , P a ... * 9 0 3

— U . S. C o al & C o k e Co.. G a ry , W . V a ., 7 8 3 ; P o w e r f r o m p u lv e r iz e d b o n e . . . * 8 6 5

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— F le x i b le c o n v e y o r lo a d e r a d a p te d to lo n g - f a c e m i n i n g ...* 6 7 5 .

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d u e to J a c k s o n v il le p a c t ... 2 9 3 C o u rts

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— N u llif ie s i n j u n c ti o n a g a in s t m in e g u a r d s in R o g a n C o u n ty ... 4 8

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— S tr e a m p o ll u tio n b y m in e w a te r , in j u n c ­ ti o n s u s t a in e d i n U . S. S u p re m e C o u r t 1 5 8

— C h ic a g o C o u r t o r d e r s m in e s u r r e n d e r . . 2 7 9

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— K e n tu c k y F u e l C o. r e c o n s ig n m e n t te s t s u i t ... 3 3 3

— P r i v a t e c a r o w n e r s v s . I . C. C . r u l i n g . . 3 6 7

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— H ig h c o u r t b a l k s “ F i s h i n g ” b y T r a d e C o m ... 5 4 6

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— G len A ld e n m in e e n jo in e d ... 6 8 8

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4 C O A L A G E Vol. 27

C ourts— C ont’d.

— B a n s in t e r f e r e n c e w ith c o -o p . m in e s in I n d ia n a 7 2 0 ; H e a r in g o n in ju n c tio n , 7 0 4 ; I n ju n c tio n d is s o lv e d ...

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— C o ro n a d o C oal Co. v s . U n ite d M in e W o rk e rs . 7 9 7 ; R e h e a r in g a s k e d , 8 7 8 ; R e h e a r in g d e n ie d ...

— N e ls o n F u e l C o. v s . C. & 0 . R y . .

— T r a d e A s s n ’s w in a n t i - t r u s t s u i t , 8 4 0 ,

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C r u c ib le S te e l C o . i n b i g c o a l d e a l in W . Y a ...

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— U n iv e r s ity o f P i t t s b u r g h p r o p o s e d b u il d ­ in g . (o ) 0 8 9 ... . . * 0 9 0

— S c h o o l g a r d e n s , T . C . I . & R .R . Co..

E d g e w a te r , A l a ... 7 0 2

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— D o u g la s H ig h S c h o o l. D a w so n , N . M . . . * 9 2 »

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— T h e W a s h in g to n f o r m u l a ... 8 0 4

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— T h a t p e r p le x in g G e r m a n p r o b le m : \ . . 7 8 2

— T h o s e d a n g e r o u s m o d e l m in e s ... 1 3 7

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— C o m p a n y r e p a i r s i t s la m p b a t t e r i e s . . . . * 4 9

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— I n d iv i d u a l b a t t e r y c h a r g e r , * 8 4 0 : H u n ­ d r e d la m p r a c k ... * 8 4 0

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P a g e E q u i p m e n t , A ir

— C o m p re s s o r m o u n te d o n lo w t r u c k . . . . * 6 4

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— A ir c o m p r e s s o r s u s e d in c l e a n in g c o n ­ v e r t e r s ...* 3 3 7

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— M o to r s t a r t e r o p e r a t e d b y a i r c u r r e n t . . * 7 2 8 E q u i p m e n t , E l e c t r i c a l S ec a ls o “ L o c o m o ­

tiv e s , M in e ,” “ T r a n s f o r m e r s ”

— C o ils h a n d le d w i t h c o n s id e r a tio n ... *2 1

— S in g le .;d ru m e le c . h o i s t ... 3 2

— N e w m o t o r f o r g a s s y m i n e s ... * 40

— E le c tro d e h o ld e r sp e e d s u p p r o d u c t io n . . * 64

— T h r e a d t a p p e r c u t s l a b o r c o s t s ... * 6 4

— S y n c h r o n o u s m o to r s s a v e p o w e r , * 8 5 ; P o w e r s t a t i o n w i t h li g h tn in g p r o te c ­ tio n ... * 86

— D e v ic e to r e d u c e p e a k l o a d s ...* 1 5 9

— R e s is ta n c e t u b e s r e p la c e l a m p s ...* 1 5 9

— E x t r a m o t o r u tiliz e d to d r iv e ti r e l a t h e . . * 1 6 0

— D o u b le -p o le c i r c u it b r e a k e r s ... 1 7 2

— R e d u c in g c o s ts b y s u p e r v is io n o f e le c . e q u ip m e n t ...* 1 7 5

— C h a r t s o f v o lta g e d e liv e r y , * 1 7 6 ; M e te r m e th o d s a v e s e le c tr ic ity , 1 7 7 ; E le c . h o is t s u p p h m ts s t e a m ...* 1 7 8

— K eep s p a r e a r m a t u r e to a v o id lo n g d e ­ la y s ... ... * 1 9 3

— S h o p g r in d e r m a d e f r o m s u r p lu s m o t o r . . * 1 9 4

— S m a ll e le c . b lo w e r ...* 2 0 5

— P o w e r - d e m a n d r e g u l a t o r c u t s e le c . b i l l s . . * 2 0 5

— E le c . r i v e t h e a t e r s p e e d s c h a in r e p a i r s . . * 2 2 8

— L a b e lin g s t a r t i n g s w itc h m a y p r e v e n t d a m a g e ... * 2 2 9

— N ew s t a r t e r f o r F in n - W e ic h s e l m o t o r . . * 2 4 1

— S e rv ic e -w ire b r a c k e t e a s ily in s t a l l e d . . . . * 2 4 1

— S to r a g e - b a tte r y h a n d l a n t e r n f o r h u n ti n g n i g h t t r o u b l e ... ...* 2 6 5

— U n it- ty p e c o n d e n s e r o u t f i t s . . . . ... * 2 8 2

— S ta n d a r d iz i n g te s t s f o r e le c . i n s u la tin g m a te r i a ls ... 2 9 2

— C o st o f c le a n in g b y a s s e m b ly o f p a r t s . . * 3 3 7

— I m p r o v e d e le c . m e t e r s ... * 3 5 0

— E le c .- s te a m r a d i a t o r w ith s e a m le s s b r a s s tu b e ...; ... 3 8 5 7—M e te r s e r v ic e s w itc h ... 3 8 5

— E le c . o v e n to b a k e in s u la te d a r m a t u r e s . . * 4 0 7

— A u to m a tic c o n t a c to r s re d u c e lin e s u r g e s .. * 4 3 1

— O v e rlo a d b r e a k e r s a v o id p o w e r d e l a y s . . * 4 3 1

— S m a ll e le c . s a w s a v e s tim e a n d l a b o r . . * 4 5 0

— E x c iti n g th e s y n c h r o n o u s fie ld o f a la r g e m o t o r g e n e r a to r ...* 4 8 0

— E m p ty c a r b id e c a n s e r v e s a s r o t o r f o r te s t i n g ...* 4 8 0

— M e te rs a d a p te d to l a t e s t c i r c u i t r e q u i r e ­ m e n ts ... * 4 9 1

— F ly w h e e l s y n c h r o n o u s m o to r s f o r a i r c o m p r e s s o r s ... * 5 2 7

— E q u a liz e r s w i tc h o p e n s w h e n b r e a k e r a c ts , p r e v e n t s f la s h i n g ...* 5 5 1

— S m a ll s t a r t e r p u t s m o t o r o n o r off li n e . . * 5 6 3

— C o n tr o lle r s to k e e p p a c e w ith m o to r d e v e lo p m e n t ... * 5 9 9

— S a f e t y p l a t f o r m f o r o u td o o r s w i t c h . . . . * 6 9 3

— T w in - ty p e g r a p h i c m e t e r ... 7 0 5

— S tr o n g d is c o n n e c tin g s w i t c h ... * 7 0 6

— S a v in g s b y s t a t i c c o n d e n s e r s ; in d u c tio n m o to r s ...* 7 0 9

— S u b s t a ti o n , t r a n s f o r m e r s , s w itc h b o a r d s . e t c ...* 7 5 3

— S a f e c o n t r o lle r f o r g a s s y m i n e s ...* 7 8 0

— C u to u t p r o t e c t s r o p e - a n d - b u t to n c o n ­ v e y o r ... * 8 0 2

— M e c h a n ic a l, • e le c tr i c a l d iffic u ltie s , * 8 1 9 ; M e te r s s a v e p o w e r ... 8 2 0

— C o n tro l o i e q u i p m e n t in c o a l m i n e s . . . . * 8 2 1

— « U n d erg ro u n d s u b s t a ti o n s . W e st F r a n k ­ f o r t. 111., * 8 2 2 ; M a b s e o t. W . V a ...* 8 2 3

— A u to m a tic s w i tc h i n g e q u i p m e n t ... * 8 3 9

— P u n c h e d g r id r e s is ta n c e ...* 8 4 1

— K y . s u b s t a t i o n s a v e s s p a c e a n d c o n ­ v e n ie n t ... *8 8 1

— A ll- e le c tr ic c a r d u m p e r in s ta lle d o n th e G r e a t L a k e s ...* 9 0 8 E q u i p m e n t , S te a m

— S te a m - tu r b i n e p l a n t ... *8 5

— E le c .- s te a m r a d i a t o r w ith s e a m le s s b r a s s t u b e ... 3 8 5

— U n p r o te c te d s te a m lin e m e lts s n o w w ith h e a v y t a x o n b o i l e r s ...* 5 5 2 E x p lo s io n s , M in e

— F i r s t e x p lo s io n o f th e y e a r , ( e ) 1 3 7 ; D ia m o n d M in e N o . 1. k il ls 6 m e n . . . 1 5 4

— W h y e x p lo s io n s o c c u r in m o d e l m in e s , (e ) 1 3 7

— P r e c a u t io n s to p r e v e n t e x p lo s io n s , ( e ) . . 1 7 3

— U n d u s te d K y . m in e e x p l o d e s ...* 1 8 0

— S o lid s h o ts c a u s e d P r o v id e n c e e x p lo s io n .. 2 5 7

— R u h r m in e b l a s t c o s t liv e s o f 1 3 5 m in e r s 2 9 5

— C ity C oal C o ’s “ P u r e S e a m ” m in e , S u lliv a n . I n d ... . . 3 3 3 , 3 7 0

— G as c a u s e s m o s t e x p l o s i o n s ... 3 0 0

— S ta n d a r d C oal m in e . W h e a tla n d , I n d . . . . 3 0 7

— W h a t c a u s e d I n d ia n C re e k m in e e x p lo ­ s io n ? ... 3 7 2

— -In d ia n a h a s 3 m o r e s m a ll g a s e x p lo s io n s , 4 0 2 ; M in e n o t r o c k d u s t e d ... 4 3 0

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