subject index - johnson matthey technology review€¦ · chile saltpetre 387 nitrates 423 fibre...

Subject Index

A c a d e m ie d es Sciences,c o m m u n i c a t io n s to, o n p l a t i n u m

55-73 , 7 5 -91 m e t r ic s t a n d a r d s 296

A ir N i t r a t e s C o r p o r a t i o n 391 A j a x - N o r t h r u p 286 A la sk a , p l a t i n u m m in in g in 381 A ld eh y d e s , h y d r o g e n a t i o n 395, 396, 400 A llen a n d H a n b u r y s 138 A lloy d a ta , firs t c o m p i l a t i o n of 74 A lluv ia l deposits ,

gold 1, Z 15-17 , 21, 381 p l a t i n u m m e ta l s 1—11, 1 3-27 i r id iu m 382see also A la sk a , B razil , C a n a d a , C o lo m b ia ,

E c u a d o r , M in e s , R u s s i a , S o u t h A fr ic a A m e r i c a n C y a n a m i d C o m p a n y 391 A m e r i c a n P l a t i n u m W o r k s 372 A m m o n ia ,

n i tr ic ac id p r o d u c t io n 2 3 1 , 3 8 4 , 4 2 3 o x id a t io n 3 9 1 -3 9 4p la t i n u m p re c ip i t a t i o n b y 37, 48, 51, 65 syn th es is 390

A n a ly t i c a l c h e m is t ry 259 A n g lo -C o lo m b ia n D e v e l o p m e n t C o m p a n y

367 A n o d es ,

c a r b o n im p r e g n a t e d w i th p l a t i n u m 374 p la t i n u m - c l a d 425

A p p a r a t u s ,p a l l a d iu m , b y j o h n s o n 198, 200 p la t i n u m 26, 291 p la t in u m , by,

A c h a r d 76 B ishop 369, 370 C u o q a n d C o u t u r i e r 189 J a n e t y 84, 188 P ro u s t 105 Q u e n n e s s e n 319 W o l la s to n 162

to isolate a lka l i m e ta l s 143 A rsen ic , for m e l t in g p l a t i n u m 36, 39, 59,

75-91 , 117. 237 Art if ic ia l f ibres 312 A sk e s ia n S oc ie ty 135 A ss a y in g 39, 64, 135, 160, 161, 195 A to m ic th eo ry 2 53 -2 69 , 3 3 3 -3 4 5 A u to m o b i le ig n i t io n 3 0 9 ,3 1 9

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Cells,B u n se n 373 p r im a r y 208—210 see a lso Fuel cells, G ro v e cells

C h a in ,p a l la d iu m , G e o rg e I V ’s 197 p l a t i n u m 194, 237

C h a lice , p la t in u m 100 C h e m ic a l Society 207

F a r a d a y m edal m a d e of p a l l a d iu m 208 C h e m ic a l a n d M e ta l lu rg ica l C o r p o r a t io n 414

see a lso C o n so l id a te d G o ld Fie lds C h e m ic a l sym bols 256 C h e m is c h e W erk e H ü ls 431 C h i le s a l tp e tre 387C h o c ó 14-19, 21-23, 27, 93-107, 291, 366

see also C o lo m b ia tw -d ich lo ro d iam m in e p la t in u m (I I ) 262, 427 , 429 C isp la t in 2 6 2 ,4 2 7 ,4 2 9 C lad d in g ,

go ld l ined p la t in u m 349 p l a t i n u m c lad c o p p e r 112, 124, 279 p l a t i n u m c lad silver 197 see also D o u b lé

C oa l , gasif icat ion 397 C o in ag e , p la t in u m . C o lo m b ia n 106

R u s s ia n 241-247, 280 C o ins , counterfe i t gold 20, 105, 183 C o lo m b ia 7-10, 13-27, 106, 161, 291, 365—367

f o u n d in g of the R e p u b l ic 2 3 ,2 6 ,9 7 m o n o p o ly in p l a t i n u m 27 o u tp u t of p la t in u m , see p r o d u c t io n of

p la t in u m see a lso C h o có

C o m i t é I n te rn a t io n a l des Po ids et M e su re s 297

C o m m iss io n of W e ig h t s a n d M e a su re s 1 18, 179

see a lso S t a n d a r d s C o m p a n i a M in e r a C h o c ó Pacifico 367 C o m p to i r L y o n -A le m a n d 3 2 1 ,3 2 9 C o n d u c to r s , thick film 428 C o n so l id a te d G o ld Fie lds 367, 412, 414. 4 1 5 C o n ta c t process, for su lp h u r ic acid

m a n u fa c tu re 229-233, 386 in R u ss ia 404

C o n ta c t s , electrical 295, 306, 310, 328, 4 2 2 C o p p e r

s e e C la d d in g , D o u b lé C o r ro s io n p ro tec t io n 425, 429 C o u r t a u l d s 312 C ruc ib le s ,

i r id iu m 313p l a t i n u m 77, 79, 85, 88, 125, 162, 188, 239,

259, 291, 306, 319, 322 for g rav im etr ic analys is 373

for iso la t ing a lu m in iu m 258 for m e l t in g op t ica l glass 2 0 3 .4 2 3 the first 76

C u o q C o u t u r i e r et C ie 189, 190 see a lso D e sm o u t is

C u p s , p a l l a d iu m 192C u t le ry , p l a t i n u m 81, 144, 168, 188, 237, 306

D a v y M c K e e 432 DEGL'SSA 326-331D e sm o u t is Q u e n n e s s e n 190, 250, 291, 301,

318-321 , 403 D e u t s c h e G o ld u n d S i lb e r S c h e id e an s ta l t

326-331 D ö b e r e in e r F e u e rz e u g 226 D ö b e r e i n e r ’s T r i a d s 333 D o u b lé 8 6 ,1 1 2 ,2 7 8

see also C l a d d in g D re d g e s 382, 404, 406 D u P o n t , E. I. 394 D y e s tu f f 385, 400

E co le P o ly te c h n iq u e 182 E c u a d o r 7, 12—27 E ers teg e lu k P l a t i n u m 415

see a lso P o tg ie te r s ru s t P la t i n u m E g y p t, a r t i fac ts w i th p la t i n u m 1 E lec tr ic l a m p s 306, 307, 319, 328, 375, 424 E le c t ro c h e m is t ry 20 8 -2 1 6 E lec t ro d ep o s i t io n , see E le c t ro p la t in g E lec trodes ,

p l a t i n u m 208p l a t in u m in fuel cell 377, 428 see a lso A n o d e s

E le c t ro g ra v im e tr ic ana lys is 373 E le c t ro p la t in g 2 1 0 - 2 1 5 ,4 2 4

w ith p a l l a d iu m 374 p l a t i n u m 295, 374 r h o d iu m 424 r u t h e n i u m 424

E n g e lh a r d I n d u s t r i e s 371 E s m e r a ld a s 6 -8 E x h a u s t g a s con tro l 429, 430 E x h ib i t io n s ,

C h ic a g o 1893 305 L o n d o n 1819 188, 189

1851 2 1 5 ,3 0 1 ,3 1 8 ,3 2 1 1862 293, 303, 318, 319

P a r i s 1855 291, 302, 319 1867 283, 295, 304 1878 2 9 9 ,3 0 5 ,3 1 9 1889 319

P h i la d e lp h ia C e n te n n ia l E x h ib i t io n , 1876 370

Explos ives, n i tr ic ac id for 387

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Fertil isers ,a m m o n i u m sa l t s 231 C h i le s a l t p e t r e 387 n i t r a te s 423

F ib r e o p t ics 4 2 3 ,4 2 6 F i s c h e r - T ro p s c h s y n th es is 397 F o r s c h u n g s in s t i t u t fü r E d e lm e t a l l e 330 F r a n c e 179-192 . 317 -3 21

ea r ly w ork o n p l a t i n u m 43, 60 R e v o lu t io n 81. 112. 179 see also A c a d é m i e d es S c ien ce s

F u e l cells 2 0 9 .2 1 0 ,4 2 7 M o n d ’s 377, 379 see a lso G r o v e cells

G a s t u r b in e b la d e s 429 G e r m a n y , ea r ly w ork o n p l a t i n u m 41

see also R o y a l P r u s s i a n A c a d e m y of Sciences

G i b b s ’ P h a se R u l e 267 G lass ,

d e c o ra te d w i th p l a t i n u m 2 3 7 .3 2 7 op t ica l , m e l te d in p l a t i n u m c ru c ib le s

87, 203. 423 G o ld sources, see A lluv ia l d e p o s i t s G o ld s m i th s ,

w ork on p l a t i n u m u s in g a r se n ic 7 5 -91 W o rs h ip fu l C o m p a n y o f 160, 167

G r e e n P icks lay & C o . , Sheff ie ld c u t l e ry 202 G r o s ’ salt 262 G ro v e cells 2 9 5 ,3 7 5

see a lso F u e l cells G u n s 163, 237

H a b e r - B o s c h p ro c e s s 392 H a t t o n G a r d e n 195 -2 17 H e r a e u s 317, 3 21 -3 25 , 403 H y d r o c a r b o n s , a r o m a t i c 398 H y d ro g e n ,

a b s o r p t io n b y p a l l a d i u m 266, 321, 428 c a ta ly t ic c o m b i n a t i o n w'ith o xv ge n

223, 225 g e n e ra to r s 268

H y d r o g e n c y a n id e m a n u f a c t u r e 394 H y d r o g e n iu m 266

Ig n i t io n tu b e s 328 I.G . F a r b e n i n d u s t r i e 394 Im p e r ia l C h e m ic a l I n d u s t r i e s 393, 394 In d ia n s , S o u th A m e r i c a n 7 I n te rn a t io n a l B u r e a u of W e ig h t s a n d

M e a s u r e s 284 I n te rn a t io n a l M e t r i c C o m m i s s i o n 283

I n t e r n a t i o n a l N ic k e l C o m p a n y 376 I n t e r n a t io n a l T e m p e r a t u r e S c a le 362 I r id iu m ,

c h e m i s t r y 173, 320 d isc o v e ry 66, 1 5 0 -1 53 f i l a m e n t s in e lec tr ic l igh t b u l b s 308 m e l t in g 1 7 3 , 2 7 4 , 2 7 6 , 2 9 3 , 3 1 3 p r e c ip i t a t e d d u r in g p l a t i n u m re f in in g

48, 51, 120, 244 p r o p e r t i e s 1 83 -1 87 , 190 re f in in g 258sou rces , see A l lu v ia l d e p o s i t s

I r i d i u m alloys,p l a t i n u m - i r i d i u m 173, 186, 282, 284, 295,

303see a lso P l a t i n u m al loys p l a t i n u m - i r i d i u m - r h o d i u m 280 s te e l - i r id iu m 202 p r o p e r t i e s 186 re co ve ry 190

I r i d i u m co m p lex e s ,a m m o n i u m c h lo r o i r i d a t e 66, 120 c h lo r id e s 244

I s o m e r i s m in p l a t i n u m sa l ts 261 Izvestiya of the Platinum Institute

see R u s s i a

J e w e l le r y , p l a t i n u m 7, 16, 101, 187, 1 8 8 .2 3 7 f ro m E s m e r a l d a s 6 - 1 0

J o h a n n e s b u r g C o n s o l id a t e d 1 n v e s tm e n t T r u s t 415

J o h n s o n V ia t th e y & C o . 161, 1 7 5 ,2 5 0 , 2 8 9 -3 1 4 , 3 0 6 -3 3 0 , 3 5 0 -3 5 8 , 3 6 ^ 3 7 9 , 3 92 -3 97 , 403, 406, 407, 410, 415, 417

see a lso M a t t e S m e l te r s , M a t t h e y R u s t e n b u r g R e f in e rs

J o h n s o n M a t t h e y In c . 427

K e to n e s , h y d r o g e n a t i o n 395, 396K l a u s ’ s a l t 262K r u p p G r u s o n w e r k 414

L e a d c h a m b e r p ro c e s s 3 6 9 ,3 8 6 L e a r n e d Soc ie t ies ,

E n g l i s h 133 -1 45see a lso A c a d e m i e d es S c ien ces , A s k e s ia n

Soc ie ty , C h e m i c a l S oc ie ty , R o y a l P r u s s i a n A c a d e m y of Sc ien ces , R o y a l S o c ie ty o f L o n d o n , R o y a l S w e d is h A c a d e m y of S c ien ce s ; S p a in , A c a d e m y of S c ien ce s ; U n i t e d S ta te s , A c a d e m y of S c ien ce s

“ L e c tu r e o n P l a t i n u m ” , F a r a d a y ’s 292, 336

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© 1982 Johnson Matthey

P e n n ib s 1 6 9 ,2 0 2 P e r io d ic t a b l e 3 3 3 -3 4 4 P h a r m a c e u t i c a l s , c a t a ly s t s for 397 P h o t o g r a p h y 245, 311, 319 P la t f o r m in g 398P l a t i n a del P in to 15, 33, 35, 37, 43, 90 P l a t i n o t y p e C o m p a n y 311 P la t i n u m ,

a d u l t e r a t i n g gold, s ee C o i n sc la d d in g , see C l a d d i n gd i s p e r s io n s t r e n g th e n e d 432fine ly d iv id e d 221f i rs t s a m p le s in E u r o p e 24firs t sc ient if ic e x p e r i m e n t s 19, 2 9 - 5 3firs t s e p a r a t i o n f r o m its m in e r a l 43firs t u se o f t h e n a m e 5 0 , 5 2le a f 189m a l le a b le , see M a l l e a b l e p l a t i n u m m e l t in g , see M e l t i n gp r e c ip i t a t i o n b y a m m o n i u m c h lo r id e , see

A m m o n i a R o o m 1 0 5 -1 07 sources , see A l lu v ia l d e p o s i t s s p o n g e 391 s t r ip 388te n s i l e s t r e n g th 119, 172, 183 w o rk in g s , ea r l ie s t 1, 5 5 - 7 2

P l a t i n u m alloys,a n t i m o n y - p l a t i n u m 120 a r s e n i c - p l a t i n u m 120 b i s m u t h - p l a t i n u m 120 c o b a l t - p l a t i n u m 120 c o p p e r - p l a t i n u m 25, 102, 120, 237 c o p p e r - i r i d i u m - p l a t i n u m 120 c o p p e r - p l a t i n u m - z in c 88 g o l d - p l a t i n u m 39, 161, 304 i r i d i u m - p l a t i n u m 120, 173, 277, 282, 284,

289, 295, 303, 304, 308, 310 i r i d i u m - p l a t i n u m - r h o d i u m 280, 323 l e a d - p l a t i n u m 120, 124, 299 s t e e l - p l a t i n u m 201 t i n - p l a t i n u m 120 z i n c - p l a t i n u m 120 d is p e r s io n s t r e n g th e n e d 432 n a t iv e f rom C o l o m b i a 10 n a t iv e f rom R u s s i a 235

P l a t i n u m c a ta ly s ts ,a c e ty l e n e h y d r o g e n a t i o n , fo r 394A d a m 's , p l a t i n u m o x i d e 397b la c k 222, 3 9 5 -3 9 7 , 400co l lo ida l 395fine ly d iv id e d 395g a s o l e n e en g in es , for 429g a u z e s 3 9 0 -3 9 4 , 423, 426le a d - t o l e r a n t 430n i t r ic ac id p r o d u c t io n , for 3 8 7 - 3 9 3

447

O c c u r r e n c e s , see A l luv ia l d ep os i ts , M i n e s O r f o r d C o p p e r C o m p a n y 376 O r g a n o m e t a l l i c c o m p o u n d s 1 91 ,257 ,

2 6 4 -2 6 6 , 326 O s m i r i d i u m 10, 235 O s m i u m ,

d iscovery 150-153 p ro p e r t i e s 183-187 , 190 re fin ing 258sources, see A lluv ia l d ep o s i ts

O s m i u m c a ta ly s t s 391 O s m i u m te t ro x id e 249 O x y g e n ,

c a ta ly t ic c o m b in a t i o n w i th h y d ro g e n 225 d iscovery b y P r ie s t ly 69 m e l t in g p l a t i n u m 69, 117

P a l la d iu m .a b s o r p t i o n of h y d ro g e n 266 -2 68 , 321, 428 d iscovery 146, 153 -1 55 m e l t in g 274p ro p e r t i e s 183-187 , 191-192 , 196-200, 208 refin ing , see R e f in in g of p a l l a d iu m sources, see A l luv ia l d ep o s i ts

P a l l a d iu m al loys 205 g o id - p a l l a d i u m 169 s i lv e r -p a l l a d iu m 197, 268, 430 s i lv e r -p a l l a d iu m -X 197 s i lv e r -p a l l a d iu m d iffus ion tu b e s 268

P a l l a d iu m ca ta ly s ts , b lack 396 co llo ida l 395 c o m p o u n d s 432 finely d iv id ed 395 s u p p o r t e d 397

P a l l a d iu m c o m p le x e s 191, 257, 260, 326 P a ten ts ,

a u to m o b i le , p l a t i n u m ig n i t ion tu b e s 309 e le c t ro p la t in g 215h y d r o g e n a t i o n o f a ld e h y d e s a n d k e to n es 395 n itr ic a c id 2 3 1 ,3 8 9

p l a t i n u m g a u z e c a ta ly s t for 390 o leu m , over p la t in is e d p u m i c e 385 p h o to g r a p h y , p l a t i n u m 311 re fin ing p l a t i n u m 292 re fin ing p l a t i n u m , D e b r a y ’s 2 7 9 ,3 1 9 re lay for t e l e g r a p h 307 re s i s ta n ce t h e r m o m e t e r 359 s iphon , p l a t i n u m 319 s m e l t in g s u lp h id e s to m a t t e 414 s u lp h u r ic ac id b o i le r s 230, 303, 304 th e r m io n ic valve, p l a t i n u m c a th o d e 309 viscose r a y o n 312

P a u w e ls F re re s 330

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R e f in in g of p a l l a d i u m by,B r é a n t 191 C o c k 205 J o h n s o n 196 J o h n s o n M a t t h e y 379

R e f in in g of p l a t i n u m , p r o d u c e d by,A c h a r d , u s in g a r se n i c 75 B o l lm a n n in U .S .A . 367 B r é a n t 188 C h a b a n e a u 98 C l o u d 367, 372 C o i le t -D e s c o t i l s 185 D a u m y 86D ev il le a n d D e b r a y 279 D ö b e r e i n e r a n d W e is s 245 H e r a e u s 322J a n e t y , u s in g a r se n i c 78, 85 J a n e t y ’s m e t h o d in R u s s i a 237 J o h n s o n M a t t h e y 379 L ’ls le , d e 56 M a m y s h e v in R u s s i a 236 G e o r g e M a t t h e y u s in g le ad 299 M il ly , d e 63 M o r v e a u , d e 59 M u s s i n - P u s h k i n 122 P e l le t ie r 89P e l le t ie r a n d I n g e n - h o u s z 112 P e t t e n k o f e r 327 P o w e l l - D e e r in g p ro c e s s 4 1 3 ,4 1 8 R id o l f i 123 R o c h o n 88, 89S ic k in g en , C o u n t v o n 6 0 ,6 3 , 116 S o b o lev sk y 237 W o l l a s t o n 159, 170 c u p e l l a t io n 30, 41, 42, 48, 55 ea r ly p o w d e r m e t a l l u r g y 56 so lv en t e x t r a c t io n 421 in R u s s i a 408 in S o u t h A f r ic a 414

R e i s e t ’s s e c o n d c h lo r id e 261see a lso « ¿ - d i c h l o r o d i a m m i n e p l a t i n u m ( I I ),

C i s p l a t i n R h o d i u m ,

d isco ve ry 146, 158 m e l t in g 276 e l e c t ro p la t in g 424 p r o p e r t i e s 184—187, 190 so u rc es , see A l lu v ia l d e p o s i t s

R h o d i u m c a ta ly s ts , c o m p le x forb u t y r a l d e h y d e p r o d u c t i o n 432

R h o d i u m c o m p lex e s , c h l o r o p e n t a m m i n e r h o d i u m c h lo r id e 262

R i c a r d o C o n s u l t i n g E n g in e e r s 429 F r i e d r i c h R o e s s l e r S ö h n e 326

see a l so DEGUSSA R o l l s R o y c e 429

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R o y a l P ru s s ian A c a d e m y of Sc iences 41—43 co m m u n ica t io n s to, o n p la t i n u m 43, 70,

75, 125 Royal Society of London,

B ak er ian L e c tu re 110, 160, 170, 203, 355 C op ley M e d a l 39, 152 c o m m u n ica t io n s to, on,

a tom ic theory' 255 p a l l a d iu m 155, 159 p la t in u m 20, 28-53, 110, 149, 152, 230 p la t in u m m eta ls 201

p a l l a d iu m p re se n te d to 169 p la t in u m p re sen te d to 33, 38, 240

R o y a l S w ed ish A c a d e m y of Sciences, c o m m u n ic a t io n to, on p la t in u m 37, 44,

50, 51first c o m m u n ic a t io n to, on ca ta lys is 232

R u ss ia 235-252, 256, 291, 295, 403 -4 0 9 m onopo ly in p l a t i n u m 2 3 6 ,4 0 4 o u tp u t of p la t in u m , see p ro d u c t io n of

p la t in u m P la t in u m In s t i tu te 405

Izvestiya o f 40 5 -4 0 7 refining of p la t in u m 281, 370, 408, 409 R u ss ia n R ev o lu t io n 3 2 1 ,4 0 3 S ta te A ssoc ia t ion of P l a t in u m M in e s of

the U ra ls 406 see a lso U ra ls

R u s t e n b u r g P la t in u m M in e s 412, 417, 420 see also M a t t e Sm elte rs , M a t th e y

R u s t e n b u r g Refiners , Po tg ie te rsrus t , S o u th Africa, W a te rv a l P l a t in u m M ining C o m p a n y

R u t h e n 247 R u th e n iu m ,

discovery 186, 247 sources, see Alluvial deposi ts

R u th e n iu m c o m p o u n d s 375 po tass ium c h lo ro ru th e n a te 249 p o tass iu m ru th e n a te 300

S a l -am m o n iac , for p re c ip i ta t in g p la t in u m29-53, 55-73, 98, 122, 126, 137, 138, 140, 150-170, 183, 186, 190, 238, 243

Seebeck effect 349 Silver lustre 127 S iphon , p la t in u m 189, 319 Sm uggling ,

in L a t in A m e r ic a 14, 19-21, 24, 26, 27, 30, 81, 103, 149, 291

in R u ss ia 2 3 6 ,2 4 7 Snuffboxes, p l a t i n u m 16, 79, 81, 85, 216 Sod ium , discovery 143 Soldering, p la t in u m 79, 84, 189 S o u th Africa 411—421

alluvial d ep o s i ts 4 1 1 .4 1 8 m in es 414-421see also M e r e n s k y Reef, P o tg ie te r s ru s t ,

R u s t e n b u r g p l a t i n u m o u tp u t , see P r o d u c t io n of

p l a t i n u m S o u th A m e r ic a n G o ld a n d P l a t in u m

C o m p a n y 367 Sp a in ,

A c a d e m y of Sc iences 65, 103 early w o rk on p l a t i n u m 40, 188-191 P l a t i n u m age 9 3 -1 0 7

S p e n c e r C h a p m a n a n d M esse l 385 Sp e r ry l i te 376S p in n e re t s for artificial f ibres 312, 371 S t a n d a r d s 118

A v o ird u p o is P o u n d 207 Im p e r ia l S t a n d a r d T r o y P o u n d 206 In t e r n a t io n a l P ro to ty p e K i lo g ra m 299 k i lo g ra m m e 180, 283, 2 9 5 -2 9 9 m e t re 180, 188, 283-285 , 29 5 -2 9 9

S t a te m o n o p o lie s in p la t in u m ,C o lo m b ia 27 R u ss ia 236, 404

Steel, t e m p e ra tu r e of m o l te n 360 Steel alloys 201, 202 Stills, p l a t i n u m 2 9 1 ,3 6 9 S u g a rb o w l , p l a t i n u m 79 S u lp h u r ic a c id 164—168 ,3 0 1 —306

boilers, see Boilers co n ta c t p ro cess 229-233 , 386, 404 p r ice 167 stills, see Stills

S u p e ra l lo y s 429S w ed en , ear ly w ork on p l a t i n u m 35—37, 50

see also R o y a l S w ed ish A c a d e m y of Sciences

S y n th e t i c A m m o n ia a n d N i tra tes L td . 392 see also I imperial C h e m ic a l I n d u s tr ie s

T e a pots, p l a t i n u m 81, 100 T e a set, p l a t i n u m d e co ra t io n on 129 T e l e g r a p h y 209, 295, 306, 307, 422 T elescope,

eyepieces 169 m ir ro rs 34, 36, 88 op tica l g lass 203

T e m p e r a t u r e m e a s u r e m e n t 3 4 7 -3 6 2 see also P y ro m e te rs , T h e rm o c o u p le s ,

T h e r m o m e t e r s T h e r m io n ic valves 308 T h e rm o c o u p le s ,

i r id iu m : i r id iu m - r h o d iu m 423 i r id iu m .p la t i n u m - i r id iu m 350 i r o n -p la t in u m 350

449

“A History of Platinum and its Allied Metals”, by Donald McDonald and Leslie B. Hunt

© 1982 Johnson Matthey

p l a t i n u m - p a l l a d i u m 349 p l a t i n u m : r h o d i u m - p l a t i n u m 349, 353, 4 2 3 r h o d i u m - p l a t i n u m : r h o d i u m - p l a t i n u m 4 2 3

T h e r m o e le c t r i c effect 349-351 T h e r m o m e te r s ,

b i -m e ta l l i c 168, 348 p l a t i n u m re s i s ta n ce 324, 354—360, 423

T u b e s , p la t i n u m , fusion w e ld e d 293

U n i o n C a r b i d e 432 U n i o n P l a t i n u m M in ing C o m p a n y 420

see a lso R u s t e n b u r g P l a t i n u m M i n e s U n i t e d A lk a l i C o m p a n y 392 U n i t e d S ta te s of A m e r i c a 3 6 7 -3 8 2

A c a d e m y of S c ien ce s 373 see a lso A la sk a

U n i te d T ech no lo g ies C o r p o r a t i o n 427 U n i v e r s a l - M a t th e y P r o d u c t s 400

450

“A History of Platinum and its Allied Metals”, by Donald McDonald and Leslie B. Hunt

© 1982 Johnson Matthey

“A History of Platinum and its Allied Metals”, by Donald McDonald and Leslie B. Hunt

© 1982 Johnson Matthey