9-110 l $ ? > / l
The Mining Maga
0 VOLUME XLVI1I. - JANUARY TO JUNE
55 318 63 P A G E
" A b y s s in ia n 64
A e ria l S u rv e y in g (2), 61 ; on th e R a n d ... 95
A fric a , M in i n g a n d Geological M a p o f S o u th ern E q u a to ria l . . . 253
A fric a n A s b e s to s T r u s t ... 326
A fric a n a n d E u ro p e a n I n v e s tm e n t C o ... 199, 326 A ir. C o m p re s s o r E fficien cy , M e a s u re m e n t o f (R . L . Q u e r tie r) , 2, 30, a n d D ig e s t, 4 9 ; C o n d itio n in g , P r o te c tiv e F ilm in g o f L iq u id s in ... 61
A ir c r a f t a n d P e tro le u m T e c h n o lo g y ... 61
A la s k a , G o ld D re d g in g in ... 381
A la s k a J u n e a u ... 100
A lb erta , S tra tig ra p h y o f the P la in s o f So u th ern — R e v ie w 93 A llu v ia l.— C o n e G ra v e l D e p o s it, B e n c h M in in g o f, 381 ; D ia m o n d s , R e c o v e ry o f (K . M c L e o d ), 9 ; D rillin g , 61 ; M in in g , T h e D ra g lin e in (B o e ric k e )— D ig e s t, 314 ; S a m p lin g (A. J . P e te r s o n ) ... 85
A ltso n — H a n g in g -W a ll C o n tro l in D e e p -L e v e l M ines— D ig e st A lu m in iu m .— M e ta llu rg y — P a t e n t , 62 ; R e fin in g — P a t e n t . . A m a ri N ig e ria T i n ... A m e ric a n D e b t, T h e , 5, 131 ; (H . F o s te r B a i n ) ... 152
A n f a r g a h G o ld M in es a n d F i n a n c e ... 199, 263 A n g lo A m e ric a n C o rp o ra tio n ... 70, 71, 134, 264, 288 A n g lo -A u s tra lia n G o ld D e v e lo p m e n t ... 192
A n g lo -B u rm a T in C o ... 136
A n g lo -C a n a d ia n E x p lo re r s ... A n g lo -C o n tin e n ta l M in es ... 72
A n g lo - F re n c h E x p lo ra tio n ... A n g lo -F re n c h T ic a c a m p a S ilv e r M in in g Co. A n g lo -P e rs ia n O il C o ... A n g lo -P e rs ia n O il (S o u th A frica) A n h y d rite i n C anada A n k o le T in fie ld o f S .-W . U g a n d a (A. W . G ro \ A n telo p e Gold B e lt, S . R hodesia, Geology o f . . . ^ ^ ? j j C A 5 ^ ^ r 62 A p a t it e o n th e R a n d ... T T V It . '.-77 382 A p e x (T rin id a d ) O ilfields ... 8
A re a T e m p e r a tu r e R e g u l a t o r ... ,... 361
A r is to n G o ld M ines ... 263
A s b e s to s .— A m c s ite , in th e T r a n s v a a l, 31 8 ; P o s itio n , 95 ; R o c k , S c ree n s f o r L o w -G ra d e — P a t e n t , 191 ; T a s m a n i a n . . 220
A s h a n ti G o ld field s C o rp o ra tio n ... 7 , 71 (2), 263 A s h a n ti-O b u a s i R eefs L t d ... 199
A s h le y G o ld M ine, 36, 99, 162, 227, 292 ; (E m e n s a n d J a c k s o n ) — D i g e s t ... 369
A s p h a lt, M in in g a n d M illin g R o c k ... 317
A s s e ls tin e a n d C o u lte r— O re T r e a t m e n t a t P re m ie r M in e— D i g e s t ... 178
A sso c ia te d T in M ines of N ig e ria ... 328
A t t a G o ld C o ... 135
A y e r H ita m ... 63
B . D . a n d F . S y n d ic a te ... 2 5 6 B a b a R iv e r T in ... 63
B a in , H . F o s te r — T h e A m e ric a n D e b t ... 152
B a ll, H . S ta n d is h , A p p o in te d to C a m b o r n e ... 2 5 8 B all-M ill.— I m p r o v e m e n ts — P a t e n t , 252 ; f o r M o u n t L y ell, 382 ; W e ig h t of L o a d i n ... 382
B a r ry - H o llin g e r ... 36, 9 9 , 162, 227, 291, 359 B a tu C av es T in D r e d g i n g ... 192
B a tu S e la n g o r T in D re d g in g ... 192
B a x t e r a n d P a r k s — M in e E x a m in a tio n a n d V a lu a tio n — R e v i e w ... 216
B e a ttie G o ld M ines ... 2 2 8 B e a v e r S ilv e r M i n e s ... 224
B e la sic a M ines, L t d ... 72
B eiliss a n d M o rc o m O il E n g i n e ... 167
B e n d ig o G old field ... 2 20, 354 B e r a lt T in a n d W o lfra m B e r y lliu m .— in B ra z il, 382 ; M e ta llu rg y — P a te n ts , 62, 1 271 318 ; P r e p a r a tio n of P u re , 61 ; U ses o f ... 382
B ib ia n i (1927), L t d ... 7 1 ,2 6 3 B illito n T in C o ... 2 0 0 , 3 2 8 B i r th d a y H o n o u r s ... • • ■ 3 2 2 B itu m in o u s S a n d ... 51
B o e ric k e — D ra g lin e in A llu v ia l M in in g — D ig e s t, 314 ; a n d O r e - T re a tm e n t a t M c In ty re P o rc u p in e — D i g e s t ... 61
B o lid e n M in in g C o ... 156
B o r a t e s ... 127
B o re -H o le .— D rills — P a t e n t , 62 ; S h a f t S in k in g o n a , 381 ; S u rv e y in g ... 3 17, 382 B o u ld e r P e r s e v e r a n c e ... 7, 71, 383 B ra d le y — G y p s u m M in in g — D i g e s t ... 61
B r a k p a n M in es ... 7 0 , 134, 1 58, 319 B r a lo m e M ines, L t d ... 100, 2 23, 2 24, 2 94, 355 B rid g e R iv e r E x p lo ra tio n C o ... 160, 2 2 3 , 224 B ritish -B o rn e o P e t r o l e u m ... 328
B r itis h C o m p resse d A ir S o c ie ty ... 2 , 30, 49 B r itis h C o p p e r R e fin e rs, L t d ... 199
B r itis h G u ia n a M in e ra l R eso urces... 127
B r itis h I n d u s tr ie s F a i r ... 1 3 0 , 168 B r itis h N o n -F e rro u s M e ta ls R e se a rc h A s s o c ia tio n ... 133
B r itis h S o u th A fric a C o ... 1 35, 1 99, 2 2 2 , 263, 327 B r itis h T in I n v e s tm e n t C o rp o ra tio n ... 136
B ro k e n H ill— L o d e (K e n n y )— D ig e s t, 111 ; P o w e r fo r (M ars)— D i g e s t ... 123
B ro k e n H ill P r o p rie ta r y C o ... 135, 2 20, 290 B ro k e n H ill S o u t h ... 126
B ro w n , J . C oggin— R u b y M in in g in U p p e r B u r m a ... 329
B u isso n — G o ld in N .-W . Q u eb ec— D ig e s t ... 189
B u k o b a (T a n g an y ik a ) T i n f i e l d s ... 7
B u lo lo G o ld D r e d g in g ... 128
B u rm a , R u b y M in in g in U p p e r ( J . C oggin B ro w n ) ... 3 2 9 B u t te C o p p e r M e ta llu r g y ... 190
B w a n a M ’K u b w a ... 7
C a d m a n , S ir J o h n , R e c e iv e s I n s t i tu t io n G o ld M edal . . . . 194, 322 C a d m iu m D e te rm in a tio n ... 1 2 6 C a g e , A u to m a tic - D u m p in g (M orrell)— D i g e s t ... 188
C ag es, S a f e ty C a tc h e s f o r M ine ... 317
C ain a n d S c h ü tz — O r e - T re a tm e n t a t P io n e e r G o ld M ines— D i g e s t ... 52
C a lc in in g , D r y in g P r io r t o — P a t e n t ... 191
C a m a n d M o to r G o ld M in in g C o ... 7 1 , 135 C a m b o rn e S c h o o l of M ines, C h an g es i n ... 130, 2 5 8 C a n a d a ’s P r e - C a m b r ia n ... 252
C a n a d ia n .— D e p a r tm e n t o f M in es M in e ra g ra p h ic L a b o r a to r y ( T im m a n d H a y c o c k ) — D ig e s t, 379 ; I n s t i t u t e ’s A n n u a l C o n v e n tio n ... 2 5 9 , 293 C a n u s a ... .. • • 36
C a r b o n y l C o m p o u n d s — P a t e n t ... 191
C a rd o x P ro c ess (A. Ig n a tie ff) ... 73
C a rib o o G old Q u a r tz C o ... 3 8 , 1 00, 159, 2 23, 356 C a r p e n te r , S ir H a r o ld , o n M e ta ls in th e S e rv ic e o f M a n . . . . 3 24 C e n tra l M a n ito b a M in e ... • • •• 37
C e n tra l M in in g a n d I n v e s tm e n t C o r p o r a t i o n ... 264, 326 C e n tra l P a t r i c i a ... 3 7 , 1 62, 2 2 7 , 2 92, 359 C e n tra l W a ss a u G o ld M in e s ... 135, 263 C h a m p io n R e e f ... 25 5 C h a n g k a t T in ... 1 2 8 C h a p m a n ’s G o ld M ines ... 3 5 ,3 5 5 C h e lm sfo rd , D e a th o f L o r d ... 194
C h e m ic a l a n d M e ta llu rg ic a l C o rp o ra tio n ... 32 8 C h e n d e ria n g ... 63
s / s *
3/nips
C h in a C la y F r e e h o ld s ... 256
C h in a , M in e ra l R e s o u rc e s o f ... 3 1 8 C h lo r in a tio n P ro c e s s — P a t e n t ... 252
C h o se n C o r p o r a t i o n ... 6 4 , 2 0 0 , 2 6 4 C h ro m iu m M e ta llu rg y — P a t e n t ... 382
C ity D e e p ... 254
C la ssific a tio n : S e ttlin g V e lo c itie s— D ig e s t ... 317
C lassifier, G e c o ... 42
C lem es— S k ip C a p a c itie s — D ig e s t ... 186
C lim a x A ir-L in e L u b r ic a t o r ... 166
C lo n c u rry C o p p e r ... 289
C o al.— P r e p a r a ti o n , 190 ; P u lv e riz e d , 252 ; R e p o r te d N ew F ie ld n e a r P o r t E liz a b e th , 4 ; S a n d F l o ta t io n fo r C le a n in g — P a t e n t ... 318
Coal : A S y m p o s iu m on the U tiliza tio n o f ... 319
C oal, P n e u m a tic T a b lin g o f ... 62
Coalfield, Geology o f S o u th W a l e s ... 191
382 239 C o b a ltite o n t h e R a n d ... C o e a n d R e e s— D e e p M in in g o n th e W itw a te r s r a n d — D ig e s t . C œ u r d ’A le n e G e o l o g y ... 190
C o in a g e , M e ta ls f o r ... 126
C o lo n ia l M in in g T r u s t ... 7
C o m p resse d A ir ... 252
C o n c e n tra tio n , W a te r — P a t e n t s ( 2 ) ... 62
C oncrete E n g in e erin g ... 191
C o n ia u ru m ... 3 6 , 1 62, 188, 358 C o n s o lid a te d D ia m o n d M ines o f S o u th -W e s t A fric a ... 326
C o n s o lid a te d G o ld F ie ld s o f S o u th A f r ic a ... 71, 130 C o n s o lid a te d M in es S e lec tio n ... 200
C o n s o lid a te d M in in g a n d S m e ltin g C o » 294 C o n v e y o rs , T h e o r y of S c r e w ... 190
C o p p e r .— f ro m B ro n z e S c r a p — P a t e n t , 191 ; D e te rm in a tio n , 126 ; E le c tr o ly tic — P a t e n t , 252 ; F ie ld s , T h e N o r th e r n R h o d e s ia n (W . C u llen ), 201 ; P o s itio n , 3, 6 ; R e fin in g — P a t e n t ... 318
C o p p e r D e v e lo p m e n t A s s o c ia t io n ... 2 64, 328 C o r d e ro y M i n e s ... 136
C o re -D rill.— L o n g y e a r, 166 ; S a m p lin g ... 190
C o u lte r a n d A sse lstin e — O re T r e a t m e n t a t P re m ie r M ine— D i g e s t ... 178
C ra c o w G o ld field , 34, 96, 164, 190, 220 ; (H ills)— D ig e s t . . . 315
C rip p le R iv e r S y n d ic a te ... 382
C ro w n M i n e s ... 70, 134 C r u s h in g .— N o te s o n P o w e r u s e d in , J . S . O w en s o n , 194 ; P r a c tic e in S to n e -D re s s in g ... 126
C rysta ls, T h e F o rm a n d P ro perties o f (D ale)— R e v ie w 93 C u lle n , W .— T h e N o r th e r n R h o d e s ia n C o p p e r F ie ld s ... 201
C y a n id a tio n o f G o ld O res C o n ta in in g L e a d ... 190
C y a n id e .— a n d F lo ta tio n P ra c tic e , 61 ; P r e c ip ita tio n of G old fro m , 42 ; P ro c e s s — P a t e n t , 252 ; S o lu tio n s , L o ss of O x y g e n in ... 61
C y p ru s a n d G e n e ra l A s b e s t o s ... 64
D a g g a f o n te in M i n e s ... 70, 319 D a le— T h e F o rm a n d P ro p erties o f C rysta ls— R ev iew ... 93
D a m F o u n d a tio n s , E le c tr ic a l S t u d y o f (M. L u g e o n a n d C. S c h lu m b e rg e r) ... 340
D a v is — A F r e n c h -E n g lish V ocabulary in Geology a n d P h y sic a l G eography— R e v i e w ... 157
D e B e e rs C o n s o lid a te d ... 94, 327 D e g e n h a r d t, W . R .— G e n e ra tio n of P o w e r a t L a k e View a n d S t a r M i n e ... 277
D e n v e r M e ch a n ic al G o ld P a n ... 104
D e s M oines d ’O r d e C a n a d a ... 224
D e to n a to r s , T e s ts o f ... 126
D ia m o n d .— C o n c e n tra tio n , R o t a r y P a n f o r (J. S im ), 215 ; (C. W . W a lk e r), 350 ; -D rill B its , 252 ; D rill, L o n g y e a r, 1 6 6 ; -D rill S a m p lin g , 1 9 0 ; D rill, S u lliv a n , 2 3 2 ; D rill, W e rf C o n ra d , 230 ; D rillin g a t U n ite d V e rd e , 382 ; I n d u s tr y A g r e e m e n t ... 327
D ia m o n d , T h e G enesis o f the (W illiam s)— R e v i e w ... 154
D ia m o n d s .— P o s itio n of, 94 ; R e c o v e ry o f A llu v ia l (K . M cL eo d ), 9 ; in S o u th e rn R h o d e s ia ... 95
D ic k in s o n , A .— N ew G u in e a ... 265
62 369 197 126 382 88 D ie sel E n g in e s, H ig h -S p e e d . D o lc o a th M ine 127 130 D o m e M in es ... 3 5 , 9 8 , 1 6 2 , 2 2 6 , 2 9 1 , 3 5 8 D o u g la s , C. B . E ., o n F o r m a tio n of N a tiv e W ire S ilv e r . . 131, 190 D re d g in g .— B u c k e t ( W h itta k e r) — D ig e st, 305 ; S a n d a n d G ra v e l ... 381
D r ill. H o le s , E le c tr ic a l M e a s u re m e n t in , 190 ; S te e l fo r M in in g P u r p o s e s , W . H . H a tfie ld o n ... 2 5 9 , 317 D rillin g P la c e r D e p o s its ... 61
d u T o it— P o s tm a s b u rg M a n g a n e s e — D i g e s t ... 248
D u n s ta n , N o r m a n , o n G a s P o w e r a t S o n s o f G w a l i a ... 131
D u r b a n R o o d e p o o r t D e e p ...V • 253 D u s t A r r e s te r, 2 9 8 a n d P a t e n t ... 3 18 D u s t, I n fla m m a b ility o f ... 62
D y e r — P a s h k o k o g e n -M ise h k o w A re a — D ig e s t ... 125
E a s t G e d u ld M in e 3 3 , 186, 198, 255, 2 62, 353 E a s t P o o l ... 72
E a s t R a n d C o n s o lid a te d ... 199, 262 E a s t R a n d P r o p r i e t a r y 2 53, 2 62, 353 E c o n o m ic C o n fe re n c e , W o r l d 3 22, 324, 326 E d q u is t, V . T ., o n G as P o w e r a t S o n s o f G w a lia M in e . . 131, 190 E l d o r e t M in in g S y n d i c a t e ... 263
E le c tr o -D e p o s itio n o f M e ta ls — P a t e n t ... E m e n s a n d J a c k s o n — T h e A s h le y G o ld M ine— D i g e s t ... E m p ir e M in e ra l R e s o u rc e s ... E n g in e e rin g R e s e a rc h ... E rz g e b irg e , M in e ra ls in t h e ... E v e , G. T . — G o ld in M a n c h u ria , 2 1 2 ; G o ld M in in g in R u s s ia ... E x - L a n d s N i g e r i a ... 328
E x c a v a to r s .— A p p lic a tio n of M e ch a n ic al, in M in in g (W . E . S in c la ir), 2 79, 346 ; C h a in B u c k e t T y p e , 381 ; D ra g -lin e , in A llu v ia l M in in g (B o e ric k e )— D ig e s t, 31 4 ; R u s to n - B u c y r u s ... 3 6 2 E x p lo r a tio n C o... 1 3 6 E x p lo s iv e s .— C a p p in g S ta tio n s , 126 ; C ru s h in g b y , 2 5 2 ; L iq u id O x y g e n , 126, 252 ; L iq u id O x y g e n , a t E a s t G e d u ld M in e, 33 ; f o r M in in g , 252 ; T e s ts o f D e t o n a to r s 126 F a b u lo s a M i n e s ... 3 8 4 F a l c o n b r i d g e ... 36, 97, 161, 2 2 6 , 2 9 2 , 3 5 8 F a n s . — A d r a , 230 ; S c re w -T y p e (M c In ty re )— D i g e s t 115 F a n t i C o n s o lid a te d I n v e s tm e n t C o ... 7, 7 2 , 327 F a r W e s t R a n d E x p lo r a tio n C o ... 352
F e l d s p a r ... 62
F ir s t A i d i n M i n e s ... 3 1 8 F l in t , L o n g w e ll, a n d K n o p f— A T extb o o k o f Geology— R e v ie w 91 F l o t a t i o n . — A c tio n o f X a n t h a te s o n G a le n a , 190 ; A p p a r a tu s — P a t e n t , 2 5 2 ; of C o al— P a t e n t , 3 1 8 : -C y a n id a t io n P r a c tic e , 61 ; F lo c c u la tio n E ffe c ts in C o a l-W a s h e ry P r a c tic e , 61 ; o f L e a d -S ilv e r O re s, 61 ; a t L ü d e r ic h , 61 ; P rin c ip le s , 190 ; X a n t h a te s a n d ( W a rre n )— D i g e s t 317 F lo ta tio n P la n t P ractice ( R a b o n e )— R e v ie w ... 31
F lu g g e -d e -S m id t— N a t u r a l a n d M e ch a n ic al V e n tila tio n — D i g e s t ... 57
F lu o rin e in C r y o l i t e ... 1 2 6 F lu o rs p a r in A m e ric a ... 190
F o ld a l C o p p e r a n d S u lp h u r ... 64
F o w le r-L u n n — H e m a tite in S ie rr a L e o n e —D i g e s t ... 183
F r e n c h , J . H . , a n d H . J o n e s o n R e d u c tio n W o rk s P r a c tic e a t M o rro V e l h o 4 , 61 F rie d e i, E .— A v e ra g e W id th o f O re -B o d ie s ... 351
F r o n tin o G o ld M in e s... 72
F r o o d O re D e p o s i t ... 382
G a b a it M in e ... 2 5 6 G a s, D e v ia tio n of N a t u r a l , fro m B o y le ’s L a w ... 191
G eco .— C lassifier, 42 ; D ia p h ra g m P u m p , 23 0 ; E le c tr ic S a m p le r ... 103
G e d u ld P r o p r i e ta r y ... 2 5 5 G e e v o r T in M in es 136, 2 0 0 , 3 8 4 G e ld e n h u is D e e p ... 1 9 2 G e n e ra l A s b e s to s C o ... 64 G e n e ra l M in in g a n d F in a n c e C o r p o r a tio n ... 1 99, 326 G e o lo g ic a l.— C o n g re ss, I n te r n a t i o n a l , 1 9 4 ; M u s e u m a n d
W o rld C o n f e r e n c e ... 2 5 8 Geologische K a r te de E rd e— R e v i e w ... 2 1 8
G e o lo g y .— A p p lie d t o M in in g , 318 ; N ew M u seu m o f P r a c tic a l 324 Geology a n d P h y s ic a l G eography, A F r e n c h -E n g lish Vocabulary
i n (D a v is )— R e v ie w ... 157
Geology, A T extb o o k o f (L o n g w ell, K n o p f, a n d F lin t) — R ev iew 91 G e o p h y s ic s .— E le c tr ic a l M e a s u re m e n ts in D rill-H o le s , 190 ; E le c tr ic a l P ro s p e c tin g , 61 ; E le c tr ic a l S t u d y o f D a m F o u n d a tio n s (M. L u g e o n a n d C. S c h lu m b e rg e r), 340 ; N ew I n s t r u m e n t , 360 ; N e w S c h o o l o f A p p lie d , 133 ; T o rs io n B a la n c e M o d ific a tio n ... 317
G e o p h ysik, H a n d b u c h der (G u te n b e rg )— R e v ie w ... 92
G e o rg ia R iv e r G o ld M in e s ... 100
G ilso n ite M in in g ... 61
G lo b e a n d P h o e n i x ... 263, 319 G ly n n ’s L y d e n b u r g ... 326
G o b - F i r e s ... 127
G o ld .— A s s a y in g , U se o f P o ta s s iu m F e r ro c y a n id e in — D ig e s t, 1 8 8 ; in B r itis h C o lu m b ia , 3 8 2 ; C y a n id in g — P a t e n t , 2 5 2 ; in J a c u t i n g a , 61 ; in K e n y a , 2, 6 8, 72, 2 5 8 ; in M a n c h u r ia (G. T . E v e ), 2 1 2 ; in M a n ito b a , 62 ; M e ta llu rg y — P a t e n t s , 62, 882 ; M in in g in R u s s ia (G. T . E v e ), 8 8 ; in N .-W . Q u e b e c (B u isso n )— D ig e s t, 189 ; O re C o n c e n tra tio n in R o u m a n ia , 61 ; O re, T r e a t i n g a H ig h - A cid , 317 ; P a n , D e n v e r M e ch a n ic al, 1 0 4 ; P la c e r M in in g in C hile, 190 ; P re m iu m a n d t h e R a n d , 6 7 , 94 ; in W e ste rn T r a n s v a a l, 222 ; a n d W o rld T r a d e ... 252
G old A re a s o f N ig e ria ... 320
Gold Coast a n d A s h a n ti, R e v ise d M a p o f ... 383
G o ld C o a s t B a n k e t A r e a s ... 327
Gold Coast M a p ... 127
G old C o a st S e le c tio n T r u s t ... 71, 327 G o ld C o r p o r a tio n ... 384
G o ld M ines o f A u s tra lia , L t d ... 328
G o ld O p tio n s S y n d ic a te ... 320
G o lden C e n tra l, L t d ... 290
G old in g — W e d z a P l a ti n u m M in e— D ig e s t ... 177
G op en g C o n s o l i d a t e d ... 256
G o v e rn m e n t A re a s ... 2 54, 382 G ra n a d a , 37, 99, 1 63, 189, 2 28, 2 92, 382 ; a n d G e o lo g y 318 G ra n ite s G o ld field , C e n tra l A u s tra lia ... 35, 9 7 , 1 65, 355 G ra to n a n d M c K in s tr y — H o llin g e r G e o lo g y — D i g e s t ... 116
G rav el.— M in in g a n d W a s h in g (3), 381 ; P u m p in g (S in c la ir)— D ig e s t, 373 ; a n d S a n d -D re ss in g P r a c tic e , A m e ric a n (H . G . S m it h ) ... 143
G ra y , G . W .— E le c te d P r e s id e n t o f t h e I n s t i tu t io n , 6 6; P r e s id e n tia l A d d re s s b y ... 322
G re a t B e a r L a k e M in e ra lo g y ... 3 1 8 G re a t B o u ld e r P r o p r i e ta r y ... 71, 1 36, 2 00, 2 6 3 , 3 28 G riffith , S. V .— M o to r - L o rr y T e s ts , 150 ; a n d T r a n s p o r t o n an A n d e a n M in e ... 22
G rin d in g , A m e n a b ility o f O re s to ... 190
G ro o tv le i P r o p r i e ta r y M in es ... 2 6 2 , 353 G r o u t.— P etro g ra p hy a n d P etrology : A T extb o o k— R e v ie w . . . 157
G ro v es, A . W .— A n k o le T in fie ld o f S .-W . U g a n d a ... 26
G u ia n a , U n ite d G o ld fie ld s o f ... 64
G u rw itsc h a n d M o o re — T h e S c ie n tific P r in c ip le s o f Petroleum T echnology— R e v ie w ... 93
G u te n b e rg — H a n d b u c h der G eo p h ysik— R e v i e w ... 92
G y p s u m M in in g (B ra d le y )— D ig e s t ... 61
H .E . P r o p r i e ta r y ... 134, 3 2 6 H a d s e l M ill R e s u l t s ... 61
H a lc ro w -S w a y z e M in es ... 226
H a ls e , E . , o n t h e O rig in o f S o m e M in in g T e r m s ... 194
H a n c o c k , R . T .— A v e ra g e W id th o f O r e - B o d ie s ... 216
H a n g in g -W a ll C o n tro l in D e e p -L e v e l M ines (A ltso n )— D ig e s t. 55 H a r r in g to n — V e n tila tio n — D ig e s t... 311
H a tfie ld , W . H ., o n D rill S te e l f o r M in in g P u r p o s e s . . . 2 59, 317 H a u la g e , T r o ll e y - L o c o m o t iv e ... 317
H a w k w o o d G o ld field ... 220
H a y c o c k a n d T im m — C a n a d ia n D e p a r tm e n t o f M ines M in e ra g ra p h ic L a b o r a to r y — D ig e s t ... 3 7 9 H e b e rle in , D e a th o f D r . E d w a r d ... 40
H ecla M in in g C o 4 0 , 294 H e m a tite in S ie rra L e o n e (F o w le r-L u n n )— D ig e s t... 183
H ercules G o ld M in in g C o 2 2 0 , 356 Hills— C ra c o w G o ld field — D i g e s t ... 3 1 5 H o is t, H o lm a n S in g le -D ru m , ... 41
H o llin g e r C o n s o lid a te d , 98, 161, 226, 2 91, 3 5 8 ; a n d G eo lo g y ( G ra to n a n d M c K in stry )— D ig e s t ... 116
H o lm a n B ro s .— R o to m il, 2 9 8 ; S in g le -D ru m H o i s t ... 41
H o m e s ta k e M in e ... 2 5 2 H o n g k o n g T in ... 63
H o w e s— S h a f t S in k in g in O n ta rio — D ig e s t ... 246
H o w e y G o ld M i n e ... 3 7, 162, 2 27, 292 H o y t — M e ta llu rg ic a l R e s e a rc h — D ig e s t ... 124
H u d s o n B a y M in in g a n d S m e ltin g C o... 3 7 , 2 2 8 , 293 H u m - m e r S c re e n , T y p e 4 0 0 ... 232
H y g ie n e , S ir M alco lm W a ts o n o n T r o p ic a l ... 6 6, 126 Id r is H y d r a u lic T in ... 3 1 9 Ig n a tie ff, A .— T h e C a rd o x P ro c e s s ... 7 3 Im p e r ia l C h e m ic a l I n d u s t r i e s ... 200
I n g h a m a n d W illb o u m — S c h e e lite a t K r a m a t P u la i— D ig e s t . 60 I n s t i tu t io n .— A n n u a l D in n e r, 259 ; A n n u a l M eetin g , 322 ; B e n e v o le n t F u n d , 322, (H . P ic a rd ), 2, 31, 8 8, a n d L is t, 3 0 ; G o ld M ed al, 194, 322 ; N e w P r e s i d e n t... 6 6 I n s t i tu t io n o f M in in g E n g in e e rs S u m m e r M e e tin g ... 322
I n te r n a t i o n a l N ic k e l C o 36, 61, 97, 1 36, 161, 2 26, 2 92, 357 I r a q P ip e -L in e , W e ld in g o f ... 168
I r o n .— B la s t- F u r n a c e P r a c tic e — P a t e n t , 382 ; E le c tr o ly tic — P a t e n t s (3), 252 ; F u e l C o n s u m p tio n in M a n u fa c tu re of P ig -, 190 ; -O re R e d u c tio n , 61 ; S p o n g e — P a te n ts , 382 ; f ro m S u lp h id e O res— P a t e n t ... 127
Is la n d L a k e G o ld M in es ... 9 9 I ta b i r a I ro n O re C o ... 264
J a c k s o n a n d E m e n s — T h e A sh le y G o ld M ine— D i g e s t ... 3 6 9 J a c u t i n g a , A u rife ro u s ... 61
J o n e s , H ., a n d J . H . F r e n c h o n R e d u c tio n W o rk s P r a c tic e a t M o rro V elh o ... 4, 61 J o s T in A re a s ... 63
J u p it e r M i n e ... 3 5 K a d u n a P r o s p e c to rs ... 3 2 7 K a d u n a S y n d i c a t e ... 3 2 7 K a g e ra (U g a n d a ) T i n f i e l d s ... 1 3 5 K a k a m e g a G o ld field ... 2 , 6 8, 7 2 , 327 K a lg o o rlie E le c tr ic P o w e r a n d L ig h tin g C o r p o r a tio n ... 328
K a m ra T in D r e d g i n g ... 7 2, 200 K a m u n tin g T in D r e d g i n g 63, 200 K e n n y — B ro k e n H ill L o d e — D ig e s t ... I l l K e n ty G o ld M in es ... 36, 98, 161, 2 26, 358 K e n y a G o ld field 2 , 6 8, 72, 2 5 8 , 327 K e n y a : R ep o rts o f Geological S u r v e y ... 318
K e p o n g D r e d g i n g ... 63
K ilc h ip u r S ta te , In d ia , M in e ra l D e p o s its of ... 382
K illin g h a ll T in ... 64
K in ta T in M i n e s ... 384
K ir k la n d G o ld B e lt ... 2 2 7 , 2 91, 359 K ir k la n d L a k e 2 2 7 , 292 K n o p f, L o n g w ell, a n d F lin t— A Textbook o f Geology— R e v ie w 91 K o o te n a y B elle G o ld M ines ... 2 25, 294 K r a m a t P u la i S c h e e lite (W illb o u m a n d I n g h a m ) — D i g e s t . . 60
L a c e P r o p r i e ta r y M ines ... 198, 353 L a k e S h o re , 9 8 , 162, 2 2 7 , 2 91, 358 ; M ine E q u ip m e n t . . 317
L a k e View a n d S ta r , 35, 136, 2 00, 263, 328 ; G e n e ra tio n of P o w e r a t (W . R . D e g e n h a rd t) ... 277
L a m p s, M in ers P o r ta b le ... 382
L a n g la a g te E s t a t e 198, 254 L e a d .— A llo y in g A rse n ic w ith — P a t e n t , 3 8 2 ; -C o n tain in g F lu e -D u s t, 61 ; F lo ta tio n , A c tio n o f X a n th a te s , 190 ; I m p u r itie s in — D ig e s t, 125 ; P o s itio n in 1932, 3 ; -S ilv e r O res, F l o ta t io n o f, 61 ; -S ilv er S m e ltin g , 190 ; in S l a g s . . 317
L e itz I n te g r a t i n g S t a g e ... 297
L e p id o lite in S .-W . A fric a ... 3 1 8 L ew is— E le m e n ts o f M in in g — R e v i e w ... 351
L ig h tn in g (J. F . S h ip le y ) 19, 80 L im e sto n e s, C a n a d ia n , fo r B u ild in g P u rp o ses ... 383
L iq u id s , P r o te c tiv e F ilm in g o f ... 61
L o a d in g M ach in es, U n d e r g r o u n d ... 381
L o c o m o tiv e s, D iesel, in M in e s ... 252
P A G E
L o lg o rie n A re a , K e n y a ... 318
L o lw o rth C re e k G o ld fie ld ... 2 20, 289 L o n d o n T in C o r p o r a t i o n ... 72, 264 L o n e ly R e e f ... 383
L o n g w ell, K n o p f, a n d F l in t — A Textb o o k o f Geology— R e v ie w 91 L o n g y e a r A ir P r o s p e c to r ... 166
L o w e r B isic h i (N ig eria) T in M ines ... 200
L o w e r P e r a k T in D r e d g i n g ... 72
L u b rica tin g a n d A llie d O ils ... 191
L u b r ic a to r.— C lim a x A ir-L in e , 1 6 6 ; W a k efield “ A y rly n e ” 170 L u g e o n , M ., a n d C. S c h lu m b e rg e r— E le c tr ic a l S t u d y o f D a m F o u n d a tio n s ... 340
L u i p a a r d ’s V lei ... 7 0 ,3 2 6 L u iri G o ld A re a s ... 135, 199 L u p a Goldfield, E a ste rn E x ten sio n , T a n g a n y i k a ... 318
L y n d h u r s t D e e p L e v e l ... 200
M c In ty re , E . D .— W a v e - T y p e T u b e -M ill L in e r — D i g e s t 119 M c In ty re , J . T .— S c re w -T y p e F a n s — D i g e s t ... 115
M c In ty re P o rc u p in e , 35, 98, 162, 2 26, 291 ; O r e - T re a tm e n t a t (B o erick e)— D i g e s t ... 61
M c K in s try a n d G r a to n — H o llin g e r G eo lo g y — D i g e s t ... 116
M cL eo d , K .— R e c o v e ry o f A llu v ia l D ia m o n d s ... 9
M a c a s s a ... 36, 9 9 , 162, 227, 2 46, 292 M ack en zie, D . C .— A N ew T h ic k e n e r ... 285
M a g n etic.— S e p a ra tio n — P a t e n t , 3 1 8 ; S e p a ra to r, R ic o - W ilfley ... 41
M a la ria C o n tro l.— C o u rse s in , 322 ; P r o te c tiv e F ilm in g of L iq u id s in , 61 ; S ir M alco lm W a ts o n o n ... 6 6, 126 M a la y a .— D e c e n tr a liz a tio n of G o v e r n m e n t in , 2 ; D re d g in g P r a c tic e in ( W h itta k e r) — D ig e st ... 305
M a la y a n a n d G e n e ra l T r u s t ... 200
M a la y a n a n d G e n e ra l T r u s t (1 9 3 3 )... 384
M a la y a n T in D re d g in g , L t d ... 8
M a n a n d M e ta ls ( R ic k a rd )— R e v ie w ... 8 8 M a n c h u ria , G o ld in (G . T . E v e ) ... 212
M a n g a n ese D e p o sits o f C a n a d a ... 127
M a n g an ese, P o s tm a s b u rg (d u T o it) — D ig e s t ... 24 8 M a n ito b a F lin F l o n ... 163
M a n ito u L a k e , O n ta rio (T h o m so n )— D ig e s t ... 120
M ars— P o w e r f o r B ro k e n H ill— D i g e s t ... 123
M ason a n d B a r r y ... 320
M azap il C o p p e r C o ... 3 2 8 M azo e V a lle y G o ld B e lt, R h o d e s ia ... 383
M e rid ia n M in in g C o ... 160, 294 M errill-C ro w e P r e c ip ita tio n P ro c e s s ... 42
M e ta llic A llo ys ... 191
M eta llo g ra p h y , P ra c tic a l M icro sco p ic ... 191
M e ta llu rg ic a l R e s e a rc h , 132 ; a n d (H o y t) D i g e s t ... 124
M e ta llu rg y I m p o r ta n c e o f, S ir H a r o ld C a r p e n te r o n ... 324
M e ta ls.— in th e S e rv ic e o f M an , S ir H a r o ld C a r p e n te r o n , 324 ; of..U se t o th e C h e m ic a l E n g i n e e r ... 62
M e tro p o lita n -V ic k e rs .— D e v e lo p m e n ts , 104 ; E n g in e e rs in R u s s ia ... 258, 259 M ey er a n d C h a r l t o n ... 6
M ia m i- P ic h e r Z in c -L e a d D is tr ic t (W e id m a n )— R ev iew ... 218
M ic ro sco p ic .— A n a ly s is w ith I n te g r a t i n g S ta g e (T h a ck - w ell)— D ig e s t, 250 ; I n v e s tig a tio n o f O re M in erals (Stillw ell)— D ig e s t ... 185
M id d le W itw a te r s r a n d W e ste rn A re a s... 2 56, 352 M in e E x a m in a tio n a n d V a lu a tio n ( B a x te r a n d P a r k s ) — R e v i e w ... 216
M in e T r a n s p o r t , A n d e a n (S. V. G riffith ) ... 22
M in e ra g ra p h ic L a b o r a t o r y of C a n a d ia n D e p a r tm e n t of M ines (T im m a n d H a y c o c k )— D ig e s t ... 379
M in e ra g ra p h y (S tillw ell)— D ig e s t ... 185
M in e ra l R e s o u rc e s , E m p i r e ... 1 9 7 M in e ra ls C o n s o lid a te d , L t d ... 3 5 5 M in e ra ls S e p a ra tio n , L t d ... 200
M in in g .— A p p lic a tio n o f M e c h a n ic al E x c a v a to r s in (W . E . S in c la ir), 279, 3 4 6 ; B ro n z e -A g e , 62 ; u n d e r C a v e d A re a s, 252 ; C o sts, 61 ; C o s ts of O p e n -C u t, 126 ; H a n g in g -W a ll C o n tro l in D e e p -L e v e l (A ltso n )— D ig e s t, 55 ; L ev el D e v e lo p m e n t in , 126 ; S y s te m , S e le c tio n of a, 190 ; T e rm s , E . H a ls e o n th e O rig in o f, 194 ; T r a c k le s s ... 126
M in in g , E le m e n ts o f (L ew is)— R e v i e w ... 3 5 1 P A G E M itc h e ll V ib r a tin g S c r e e n ... 232
M o d a v e D u s t A r r e s te r ... 2 9 8 M o d d e rfo n te in B ... 253
M o d d e rfo n te in D e e p ... 2 5 4 M o d d e rfo n te in E a s t ... 262
M o ly n e u x R iv e r D r e d g in g ... 72
M o o re a n d G u r w its c h — T h e S c ie n tific P r in c ip le s o f P etro leu m T echnology— R e v ie w ... 93
M o rre ll— A u to m a tic - D u m p in g C ag e— D i g e s t ... 188
M o rro V elh o , R e d u c tio n W o rk s P r a c tic e a t , J . H . F r e n c h a n d H . Jo n e s o n ... 4 , 61 M o to r - L o rr y T e s ts (S. V . G riffith ) ... 150
M o u n t C o o lo n ... 1 64, 2 8 9 , 354 M o u n t I s a ...3 3 , 71, 9 5 , 163, 2 1 9 , 2 52, 2 8 9 , 353 M o u n t L y e l l ...7 , 97, 1 65, 382 M o u n t M o rg a n ...3 4, 9 6 , 164, 2 2 0 , 2 8 9 , 3 5 4 M o u n t W a n d o o ... 3 4 , 9 6, 354 M o u n ta in C o p p e r C o ... 3 2 8 M u fu lira C o p p e r M ines ... 263
M u seu m o f P r a c tic a l G e o lo g y ... 3 2 4 M y so re G o ld ... 2 0 0 , 2 5 6 N a m a q u a C o p p e r C o ... 6
N a r a g u ta E x t e n d e d ... 255
N a r a g u ta K a r a m a A r e a s ... 3 8 3 N a r a g u ta K o r o t A re a s ... 383
N a tio n a l A llo y s ... 64
N ’C h a n g a D i s tr i c t G e o l o g y ... 126
N ew C o n s o lid a te d G o ld F ie ld s 33, 1 36, 158, 198, 221, 353 N ew G o ld fie ld s of A u s tra lia E x p lo r a tio n ... 128
N ew G u in e a (A . D ic k in s o n ) ... 265
N e w G u in e a G o ld fie ld s ... 72, 136, 2 6 4 , 2 6 5 N e w K l e i n f o n t e i n 70, 2 5 5 , 3 2 6 N e w S a b in a s C o ... 3 2 8 N ew S t a te A re a s ... 119, 2 5 4 N ew S te v n E s t a t e ... 2 6 2 , 3 2 6 N ig e ria n E le c tr ic ity S u p p ly C o r p o r a t i o n ... 327
N ’K a n a P o w e r P l a n t ... 3 8 2 N o b le F iv e M i n e s ... 1 60, 2 9 4 , 356 N o r a n d a ... 37, 9 9 , 162, 1 8 9 , 3 5 9 N o r th A s h a n ti M in in g C o ... 199
N o r th C h a r te r la n d E x p lo ra tio n C o 7, 135, 2 6 3 , 327 N o r th K a lg u rli ... 200
N o th e rn T r a n s v a a l (M essina) C o p p e r ... 128
N u n d y d r o o g M i n e s 1 36, 255 N y a s a la n d P ro tec to ra te : P o rtla n d C em ent C la y s o f L a k e M a lo m b e ... 191
O ’B rie n -C a d illa c ... 189
Offin R iv e r G o l d ... 63
O il.— I n d u s tr ie s E x h ib itio n , 194 ; M ig ra tio n o f, 3 1 8 ; -S h ale, A s p h a ltite s in ... 2 52 Oil S e a rc h , L t d ... 290
O o re g u m G o ld ... 1 3 6 ,3 2 0 O re. B o d ie s, A v e ra g e W id th of (E . F rie d e l), 3 51, (R . T . H a n c o c k ), 2 1 6 ; -D re ss in g a n d C o al P r e p a r a ti o n , 190 ; -D re ssin g , M ic ro sco p e in , 126 ; - S h o o ts , D e te r m in a tio n of B o tto m of, 190 ; T e c to n ic s o f t h e R o c k ie s, 190 ; - T r e a t m e n t a t M c In ty re P o r c u p in e (B o e ric k e )— D ig e s t, 61 ; - T re a tm e n t a t P io n e e r Gold* M in es (Cain a n d S c h ü tz ) — D ig e s t 52 ; T r e a t m e n t a t P re m ie r M ine (A s s e ls tin e a n d C o u lte r)— D i g e s t ... 1 7 8 O rio le G o ld M in ing ... 1 2 8 O ro v ille D re d g in g ... 3 2 0 O w e n s, J . S ., o n P o w e r u s e d in C r u s h i n g ... 194
P a h a n g C o n s o lid a te d ... 7
P a k a n e u s i P r o s p e c tin g a n d D e v e lo p m e n t ... 192
P a le o n to lo g y , T extb o o k o f ... 62
P a n a m a C o r p o r a tio n (C a n a d a ), L t d ... 7 2 P a n d o r a ... 9 9 , 1 6 3 ,2 2 8 P a r kb ill M in e, O n t a r i o 36, 162, 2 2 7 , 2 9 2 , 3 5 9 P a r k s a n d B a x te r — M in e E x a m in a tio n a n d V a lu a tio n — R e v i e w ... 2 1 6 P a s c a lis -L o u v ic o u r t Gold D e p o s its ... 3 18 P a s h k o k o g a n -M ise h k o w A re a (D y e r)— D ig e s t ... 125
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p e tro g ra p h y a n J p ^ rology . A T exthooh (G ro u t)— R e v ie w . . . . P e tro le u m M in in g b v U n d e rg ro u n d M e th o d s (R ice)— D ig e s t . P e tro le u m Technology, T h e S c ie n tific P r in c ip le s o f (G u rw itsc h a n d M oore)— R ev ie’w ...
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P io n e e r G o ld M in es, 37, 100. 223, 2 94, 355 ; M ill, 126 ; O re- T r e a tm e n t a t (C ain a n d S c h ü tz ) — D i g e s t ...
Pip e -L in e P r o te c tio n ...
Placer.— C o n c e n tra tio n , 252 ; M in in g b y G ra v e l P u m p (S in clair)— D i g e s t ...
P la tin u m . — M e ta llu rg y — P a t e n t , 6 2 ; M in e, W e d z a (G o ld in g )— D ig e s t, 177 ; in P a p u a , 164 ; in S o u th e rn
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P o w e r.— f o r B ro k e n H ill (M ars)— D ig e s t, 123 ; C o n feren ce, W o rld , 130 ; C o s ts , D ie s e l-E le c tric , 1 2 6 ; G as, a t th e S o n s o f G w a lia M in e, V . T . E d q u i s t, C. V a le n tin e , an d N . D u n s ta n o n , 131, 190 ; G e n e r a tio n a t L a k e V iew a n d S t a r M in e (W . R . D e g e n h a r d t ) ...
P ow er P la n ts on M e ta l M in e s (T h o m a e ), 2 5 8 ; R e v ie w ...
P re m ie r M ine, 3 8 ; O re T r e a t m e n t a t (A sse lstin e a n d C o u lte r)— D i g e s t ...
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Q u e rtic r, R . L .— M e a s u re m e n t o f A ir-C o m p re ss o r E fficien cy ,
2, 30, a n d D ig e s t ... 49
Q u ic k silv e r M i n i n g ... 126
R a b o n e — F lo ta tio n P la n t P ra ctice— R e v i e w ... R a m b u t a n ... R a n d .— D e e p -L e v e l M in in g (Coe a n d R e e s)— D ig e st, 2 3 9 ; G eo lo g y , 2 8 8 ; a n d t h e G o ld P re m iu m , 67, 94 ; M ining I n d u s t r y ’s N e w P o lic y , 158, 1 96, 222 ; M in in g O u tlo o k , 2 ; M in in g T a x a ti o n , 32 6 ; W a te r S u p p l y ... R a n d a n d E a s t A fric a n C o r p o r a t i o n ... R a n d G oldfield M a p ... R a n d M i n e s ... ... .. R a n d S e le c tio n C o rp o r a tio n ...* * ' R a n d f o n te in E s t a t e s ' ( ’ R a n ta u T i n D r e d g in g ... R a re E a r t h C o n c e n tra te s ... R a re -E le m e n t M in e r a ls o f C a na d a • * . R ees a n d C o e - D e e p M in in g o n th e W i t w a t e r s r a n d - D .g e s t . R e g u la to rs , B r itis h A r e a ... R e h o b o th M in in g a n d D e v e lo p m e n t Co. . • • ■ ■ ■ ■ — ■ — — R e s e a rc h ^ R e p o r t o f th e D e p a r tm e n t o f Scien tific a n d I n d u s tr ia l ... R e w a rd Min ln s ... R e r e n d e M'nes ' V ... R , i„ B r o k e n H ill ... R h o d “ ia .K a ta n g a C o ... R h o d e s » A m e r i c a n ... ... R hod esia F ie ld s , N o r th e r n (W . C u llen)... ... Rhodes' 3 0 C o rp o ra tio n ... R h ° a .a0 S electio n T r u s t ... R h ° k S a C o r p o r a t i o n ... R h° f i n i n g P e tro le u m b y U n d e rg ro u n d M e th o d s— D ig e st -G e o lo g y o f th e S w ay z e G o ld A re a — D ig e s t . Ric*a v j 223, 71, 31 191 128 192 198 i, 262 , 288 192 128 127 239 361 287 293 132 224 255 7 327 327 201 263 263 263 121 376 R ic k a rd — M a n a n d M e ta ls — R e v ie w ... 8 8 R ile v R ip B i t ... 2 9 6 R io G rande R eg io n , Low er, T e x a s, G e o lo g y ... 63
R io T i n to ... 194, 264 R o a n A n t e l o p e ... <57, 7 1, 1 3 5, 1 9 9, 2 28, 2 63, 327 R o b in so n D e e p 2 22, 2 39, 253 R o c k -D rills 1 9 9, 252 R o c k b u r s t P r e v e n t i o n ... 190
R o g e rs, D . J . , o n N o te s o n a T u n n e l D riv e n a t S ta n T r g . . . 4, 61 R o se D e e p 2 54, 262 R o u m a n ia , G o ld O re C o n c e n tra tio n i n ... 61
R u b y M in in g in U p p e r B u rm a ( J . C oggin B r o w n ) ... 329
R u s s ia .— G o ld M in in g in (G. T . E v e ), 8 8 ; M e tro p o lita n - V ic k e rs E n g in e e rs in ... 258, 259 R u s to n -B u c y ru s E x c a v a to r s ... 362
S t. J o h n D e l R e y M in in g C o ., 256 ; R e d u c tio n P l a n t . . . . 4, 61 S a m p lin g , A llu v ia l (A J . P e te rs o n ) ... 85
S a n A n t o n i a ... 99, 2 28, 293 S a n F in x T in M i n e s ... 8
S a n F r a n c is c o M ines o f M ex ico ... 128
S a n d - a n d G ra v e l-D re s sin g P r a c tic e , A m e ric a n (H . G. S m ith ) 143 S c h e e lite a t K r a m a t P u la i (W illb o u rn a n d In g h a m )— D ig e st 60 S c h lu m b e rg e r, C., a n d M. L u g e o n — E le c tr ic a l S tu d y o f D a m F o u n d a tio n s ... 3 4 0 S c h u tz a n d C a in — O r e - T re a tm e n t a t P io n e e r G o ld M ines— D ig e s t ... 5 2 S c r a p e r E q u ip m e n t ... 3 1 7 S c ree n S izes, 1 2 6 ; B r itis h S t a n d a r d ... 261
S c re e n in g .— P a r tic le Size in, 126 ; P r a c tic e in S to n e D re ssin g 126 S e b a s to p o l-J u n e e A re a , N .S .W ... 318
S e d im e n ta tio n , A T rea tise on ... 62
S efw i G o ld h e ld s ... 7
S e n e c a -L e b e l G o ld M ines ... 64
S e re m b a n ... 8
S h a f t.— C o n c re tin g a , 61 ; S in k in g , 381 ; S in k in g o n a B o re -H o le , 381 ; S in k in g in O n ta rio (H ow es) — D ig e st, 2 4 6 ; S in k in g in R u n n in g G ro u n d ... 317
Sheffield U n iv e rs ity R e se a rc h ... S h g r ritt- G o r d o n ... S h e rw o o d S t a r r ... Sh p lev , J . F .— L i g h t n i n g ... S ie rra L e o n e H e m a tite (F o w le r-L u n n )— D ig e st S ie v es, B r itis h S ta n d a r d ... S ilico sis in t h e T r i- S ta te D i s t r i c t ... . . . 130
. . . 358
. 6, 327 . 19, 80 . . . 183
. . . 261
318, 3S2 S ilv e r.— C y a n id in g — P a t e n t , 25 2 ; E le c tro ly s is of S a lts of— P a t e n t , 127 ; F o r m a tio n o f N a tiv e W ire , C. B . E . D o u g las o n , 131, 190 ; -L e ad O res, F lo ta tio n of, 61 ; -L e ad S m e ltin g , 190 ; M e ta llu rg y — P a t e n t ... 62
S im , J . — R o t a r v P a n f o r D ia m o n d C o n c e n t r a t i o n ... 215
S im m e r a n d J a c k M in es 253, 262 S in c la ir, W . E .— A p p lic a tio n of M ech an ical E x c a v a to r s in M in in g , 2 79, 346 ; G ra v e l P u m p in g — D ig e s t ... 373
S in te rin g P l a n t a t C o n is to n ... 61
S isco e G o ld M in e ... 3 7 , 9 9 ,1 6 3 , 1 8 9 ,2 2 8 , 2 9 2 ,3 5 9 S k ip C a p a c itie s (C lem es)— D ig e s t ... 186
S m ith , H . G .— A m e ric a n G ra v e l- a n d S a n d -D re ss in g P r a c tic e 143 S m ith E x c a v a to r s ... 231
S o la r D e v e lo p m e n t C o... 287
S o lo m o n Is la n d , P r o s p e c tin g f o r G old in ... 355
S o n s of G w alia ... 7 , 1 31, 190, 200 S o u th A fric a n L a n d C o ... 70
S o u th B u k e ru A re a s ... 2 55, 320 S o u th K a lg u rli ... 7 1 , 200 S o u th e rn K a m p a r T in D re d g in g ... 7 2 S o u th e rn M a la y a n T in D re d g in g ... 8
S o u th e rn P e r a k D r e d g i n g ... 8
S o u th e rn S ia m e se T in D re d g in g ... 320
S p rin g s M ines ... 7 0 , 319 S ta d a c o n a R o u y n M ines ... 2 28, 292 S ta n T r g M ine, N o te s o n a T u n n e l D riv e n a t , D . J . R o g e rs on 4 , 61 S te el, M a n u fa c tu r e o f B a sic B e sse m e r ... 2
Steels, S p e c i a l ... 253
S te w a rt Isla n d , T in -T u n g s te n D e p o s its o f (G . W illia m s) . . . . 137
S tillw e ll— M in e ra g ra p h y — D ig e s t ... 185
Sto ckto n a n d F a irfield Q uadrangles, Geology o f ... 62
P A G E S t o p in g .— C u t-a n d -F ill, 251 ; S h r i n k a g e ... 252 S t u tz e r a n d W e tz e l— P h o s p h a tN itr a l— R e v ie w ... 156 S u b N i g e l ... 7 0 , 134, 198, 262, 353
S u b s id e n c e .— a f t e r A th e n s S y s te m o f M in in g , 190 ; a f t e r P illa r E x t r a c t io n ... . ... 190 S u d a n G o ld M in es ... 256 S u d b u r y B a sin M in es ... 3 5 8 S u lliv a n C o re D r i l l ... 232 S u lliv a n M in e ... 3 9 S u lp h id e C o r p o r a tio n ... 7 S u lp h id e s .— C h lo r in a tio n of— P a t e n t , 318 ; F r e e S u lp h u r
R e c o v e ry fro m — P a t e n t ... 62 S u lp h u r.--- D io x id e fro m S u lp h u r— P a t e n t , 127 ; E x tr a c tio n —
P a t e n t s (2), 252 ; f r c m I r o n S u lp h id e — P a t e n t , 127 ; fro m P y r ite s — P a t e n t , 3 1 8 ; R e c o v e ry f ro m G as— P a t e n t . . . 191 S u n g e i B esi M in es ... 8, 3 2 8 S u n g e i K in ta T in D r e d g in g ... 320 S u n g e i W a y ... 128 S u rv e y in g .— B o re -H o le , 3 1 7 ,3 8 2 ; S to p e , 3 8 1 ; T h e T a v is to c k
T h e o d o lite , 190 ; U se of th e M o d e rn L e v e l ... 252 S u rv e y s, C o rre la tio n of S u rfa c e a n d U n d e rg ro u n d '’... 317 S w ay z e G o ld A re a , 98, 3 1 8 ; G eo lo g y of ( R ic k a b y )— D ig e s t 376 S y lv a n ite ... 3 6 , 9 8 , 162, 163, 227, 359
T a n a m i (A u s tra lia ) G o ld M in in g S y n d i c a t e ... 64 T a n g a n y ik a C o n c e ssio n s ... 6 8, 2 58, 2 63, 264 . T a n g a n y ik a L a k e , T h e H y d r o lo g y o f ... 383 T a n jo n g T in D r e d g i n g ... 384 T a r k w a B a n k e t W e s t ... 7, 63 T a s m a n ia n A s b e s to s M in in g C o ... 220 T a v o y P r o s p e c t o r s ... 328 T a y lo r, D e a th of H e n r y C ... 229 T e c k - H u g h e s ... 36, 98, 102, 2 2 7 , 291, 2 92, 358 T e h id y M in e ra ls ... 264 T e k k a -T a ip in g ... 8 ,3 8 4 T e m o h T in D r e d g i n g ... 328 T h a c k w e ll— M ic ro sco p ic A n a ly sis w ith I n te g r a tin g S ta g e —
D i g e s t ... 250 T h a r s is S u lp h u r a n d C o p p e r ... 320 T h ic k e n e r , A N e w (D . C. M a c k e n z ie )... «285 T h o m a e — P o w er P la n ts on M e ta l M in e s , 2 5 8 ; R e v i e w 351 T h o m s o n — M a n ito u L a k e , O n ta rio — D ig e s t ... 120 T im m a n d H a y c o c k — C a n a d ia n D e p a r tm e n t o f M ines
M in e ra g ra p h ic L a b o r a to r y — D ig e s t ... 3 7 9 T in - — in N ig e ria , 190 ; P o s itio n , 3, 6, 3 2 8 ; P r o d u c e r s ’
A s s o c ia tio n , 132, 3 2 8 ; R e s tric tio n , 221, 290 ; in S p ain a n d P o r tu g a l, 126 ; S p e c tr o g r a p h ic D e te rm in a tio n o f, 382 ; - T u n g s te n D e p o s its o f S te w a r t I s la n d (G. W illia m s ) 137 T i ta n i u m P ig m e n t— P a t e n t ... l p l T o n g k a h H a r b o u r T i n ... 320 T o y o T i n ... 256 T r a n s p o r t .— o n a n A n d e a n M in e (S. V. G riffith ), 2 2 ;
D ie s e l-E le c tric , 171 ; M ine (2), 252 ; b y M o to r-L o rry , T e s ts o f (S. V. G riffith ), 150 ; U n d e r g r o u n d ... 3 1 7 ,3 8 1 T ra n s v a a l, G oldfield in W e s te rn ... 222 T re a d w e ll Y u k o n ... 3 7, 189, 228 T r e p c a M i n e s ... 4 , 61, 7 2 , 2 64, 3 2 8 T r e v ith ic k C e n te n a r y ... 1 9 4 T r u a x G o ld M i n e s ... Kq T u b e -M ill L in e r, W a v e - T y p e (M c In ty re )— D ig e s t ... 119 T u n g s te n - T in D e p o s its o f S te w a rt I s la n d (G . W illia m s ) 137 T u n n e l D riv e n a t S ta n T r g , D . J . R o g e rs o n 4, 61 T u n n e l l i n g ... 1 9 0 T w e e fo n te in C o lliery ... 7 0
U g a n d a , A n k o le T in fie ld o f S .-W . (A. W . G ro v es)
U n io n C o r p o r a t i o n ... 26
U n io n M in iè re d u H a u t K a ta n g a ... 1 3 5 U n ite d G o ld field s o f G u i a n a ... 64 U n ite d S ta te s S m e ltin g a n d R e fin in g C o... 223 U r q u h a r t, D e a th o f L e slie ... 229
V a le n tin e , C., o n G as P o w e r a t S o n s of G w alia M in e 131, 190 V a lu a tio n of O re D e p o s its ... 252 V an R y n D e e p ... 2 5 4
V a n so n G o ld M ines 1 63, 293
V e n tila tio n .— ( H a r rin g to n ) — D ig e s t, 311 ; N a t u r a l a n d M ech an ical (F lu g g e -d e -S m id t)— D ig e s t, 57 ; P r o b l e m s . . . . 190 V e n tu re T r u s t ... 72 V e n tu re s , L t d ... 99 V illag e D e e p ... 192
V ip o n d 36, 98, 2 27, 2 91, 3 5 8
V la k fo n te in ... 353 V o g e ls tru is b u lt G o ld M in in g A re a s . , ... 1 34, 198
W a ih i G o ld ... 3 1 9 W a ih i G ra n d J u n c ti o n ... 3 8 3 W a k efield “ A y rly n e ” L u b r ic a to r ... 170 W a lk e r , C. W .— T h e R o t a r y P a n f o r D ia m o n d C o n c e n tra tio n 350 W a lla c e M o u n ta in , B .C ... 62
W a n d e r e r C o n s o l id a t e d 7, 1 3 5
W a rr e n — X a n t h a te s a n d F l o ta t io n — D ig e s t ... 3 17 W a s h in g to n M ine, M in in g M e th o d s a t ... 190 W aiter C o n c e n tra tio n — P a t e n t ... 3 1 8 W a te r b e r g G o ld B e lt ... 3 2 W a ts o n . S ir M alco lm , o n T ro p ic a l H y g i e n e ... 6 6, 126 W e d z a P la tin u m M in e (G o ld in g )— D i g e s t ... 177 W e id m a n — M ia m i- P ic h e r Z in c -L e a d D is tr ic t— R e v i e w 2 1 8 W e ld in g in th e M in in g I n d u s t r y ... 362 W e lg e d a c h t E x p lo r a tio n C o ... 32 6 W ells, Crater, R ich la n d Gas F ie ld ... 62 W e rf C o n ra d D ia m o n d D r i l l ... 2 3 0 W e s t A fric a n G o ld C o r p o r a t i o n ... 1 28, 3 2 7 W e s t R a n d C o n s o lid a te d ... 7 0 , 1 34, 199 W e s t S p r i n g s ... 7 0 , 1 34, 158, 319 W e s t W itw a te rs r a n d A re a s 33, 95, 128, 158, 198, 2 21, 2 87, 3 5 2 , 353 W e s te rn A re a s , L t d ... 3 3, 3 5 2, 353
W e ste rn M in in g C o r p o r a tio n 1 36, 2 63, 3 5 5
W e ste rn R a n d E x t e n s i o n ... 1 5 8 W e s te rn R eefs E x p lo r a tio n a n d D e v e lo p m e n t C o 3 5 2 , 3 8 4 W e tz e l a n d S tu tz e r — P h o s p h a t-N itra t— R e v ie w ... 186 W h it t a k e r — B u c k e t D re d g in g — D i g e s t ... 305 W ilfle y , R ic o -, M a g n e tic S e p a r a t o r ... 4 1 W illb o u rn a n d In g h a m — S c h e e lite a t K r a m a t P u la i— D ig e s t . 60 W illia m s , A . F .— T h e G enesis o f the D ia m o n d — R e v ie w . . . . 154 W illia m s , G .— T in -T u n g s te n D e p o s its o f S te w a r t Is la n d . . . 137 W ilu n a ... 7 , 7 1 , 2 0 0 W in d in g , P r e v e n tio n o f O v e r - ... 1 3 9 W in d in g Ropes, M ea su re m e n t o f L o a d s on C o l l i e r y ... 1 9 1 W ir e R o p e , C are o f ... 3 3 4
W it p o o r t G o ld A re a s 7 9 1 3 4
W it p o o r t N o . 1 4 ... 1 5 8 W itw a te r s r a n d D e e p ... 1 3 425 5 W itw a te r s r a n d G o ld ... 2 5 4 W o rk m e n ’s C o m p e n sa tio n ... 1 2 7
W o rld E c o n o m ic C o n fe re n c e 3 2 2, 3 2 4 3 2 6
W r i g h t - H a r g r e a v e s ... 36> 98j 162’ 2 2 7’. 3 5 9
Y m ir G o ld M ines ... 4 9 4
Z in c .— B le n d e R o a s tin g . 190 ; D u s t f o r G o ld P r e c ip ita tio n . 4 2 ; f ro m D u s t o r W a s te — P a te j i t, 3 1 8 ; M e t a l l u r g y - P a t e n t , 2 5 2 ; N e w R e a g e n t f o r, 126 ; P o s itio n in 1932, 3 ; in S la g s ... 0 4 7 Z le to v o M i n e s ... 3 4
