482 



INDEX TO VOLUME I. 



CHILLING. 



Chilling effects similar to those of 

 rolling and hammering, 434. 



Cinder, in blast furnace, heat neces- 

 sary to melt, 261 ; from puddling 

 furnace, analysis of, 241 ; in 

 puddling furnace protects metal, 

 243. 



Clay's experiments with spongy 

 metal, 292, 365. 



Cleveland pig, difficulty of elimina- 

 ting phosphorus in puddling, 

 283 ; unsuitable for steel-making, 

 282. 



Coal pits, gas-producer at bottom of, 

 224. 



Cochrane, C., blast furnaces, waste 

 gas from, and increased capacity 

 of, discussion of paper by, 255- 

 264. 



Coke in blast furnace produces only 

 Jrd heat-producing power, 290. 



Cold affects steel, 364, 428. 



Cold-shortness in steel, 212, 288. 



Columns of steel, 407. 



Combining oxygen of ore with carbon 

 of fuel, calculation of heat re- 

 quired for, 262. 



Combustion, in blast furnace of fuel 

 into | CO and \ C0 2 , 260, 262 ; in 

 blast furnace and hot-blast stove 

 compared, 279, 290 ; hindered by 

 dissociation, 384 ; theoretical and 

 practical limit to temperature of, 

 384. 



Compressed metal, zone of in punch- 

 ing steel, 370. 



Compressed steel, Whitworth's fluid, 

 320, 321, 429. 



Compression of steel, 429 ; by gas 

 pressure, 429 ; honeycombed struc- 

 ture reduced or removed by, 429, 

 430 ; by Whitworth's process, 

 429. 



Conductivity of metals affected by 

 foreign ingredients, 330. 



Conflagration, ordinary temperature 

 of, below that of fused steel, 40G. 



DAVIS, A. 



Consumption of fuel in blast fur- 

 nace, diminution of by hot blast, 

 291 ; in blast furnace, regarding, 

 256, 257, 267 ; to smelt a ton of 

 iron, 263, 264 ; in steel production, 

 302. 



Cooling steel gradually in ingot, 450. 



Cooling tube for gas-producer, 222, 

 245, 386. 



Copper, blast furnace yield increased 

 by, 331 ; contaminated by silver, 

 330 ; eliminated by direct process, 

 305 ; iron prevented from balling 

 by intermixture of, 306, 331. 



Cornish boilers, economy due to 

 large heating surface of, 274. 



Corrosion, 449 ; Admiralty early ex- 

 periments 011, 441 ; cinder in iron 

 affects, 443 ; diminished by re- 

 moving oxide, 443 ; experiments 

 on, at Landore, 443 ; galvanic 

 action affects, 441 ; recent ex- 

 periments on, 441 ; relative, of 

 iron and steel, 440 ; scale in steel 

 affects, 443 ; variable opinions re- 

 garding, 441. 



Corrosion of steel, 374 ; compared 

 with that of iron, 440 ; due to 

 manganese, 365, 368, 392 ; general 

 experience on, 444 ; by riveting 

 steel plates with iron rivets, 449. 



Creusot, manufacture of anthracite 

 coke at, 326. 



Crucibles, fusion of steel in, 229 ; in 

 regenerative gas furnace, 229, 

 381. 



DAMASCUS steel, 379. 



Danks's rotary puddling furnace, 

 difficulty of puddling overcome 

 in, 280 ; lined with metallic oxides, 

 281 ; inapplicable to Siemens- 

 Martin process, 281 ; yield in, 

 283. 



Davis, A., steel-compression, dis- 

 cussion of paper by, 429-433. . 



