INDEX TO VOLUME I. 



MILTON, J. . 



Martin process, 448 ; solid flow a 

 quality of, 422, 450, 460 ; special, 

 432 ; steel rivets for plates of, 

 409 ; for structural purposes, 315 ; 

 containing sulphur must con- 

 tain manganese, 305 ; tearing 

 of, due to its homogeneity and 

 uniformity, 412; tears easily, 

 370 ; tests of, for tin plates, 

 422 ; uniform in quality in large 

 masses, 315 ; working of, 408. 



Milton, J. T., commercial marine, 

 influence of Board of Trade rules 

 for boilers on, discussion of paper 

 by, 462-464. 



Mushet's addition of spiegeleisen to 

 Bessemer steel process, 212, S80. 



NATURE of steel, 21 0. 

 Nitrogen in steel, 211. 

 Nomenclature of steel, 435 ; various 

 views regarding, 435. 



OBJECTIONS to blast furnace, theo- 

 retical and practical, 290. 



Objections to gas-producer refuted. 

 223. 



Occluded gases in steel, action of 

 pressure on, 430. 



Occlusion of gas, diminished with 

 increasing temperature, 337 ; in 

 steel, 337, 338. 



Open-hearth furnace and Bessemer 

 converter compared, 375. 



Open-hearth steel, chemical com- 

 position of, 411 ; for special ap- 

 plications, 376. 



Open-hearth steel process, 216 ; basic 

 lining used in, in 1863 and 1865, 

 412 ; capability of regenerative gas 

 furnace to produce steel by, 382 ; 

 a chemical or cooking process, 

 318 ; description of, 318 ; dephos- 

 phorization by, 417 ; difficulties 



ORE. 



of, 217 ; Heath's, 216 ; limestone 

 added in, 411 ; Martin's, q.v. ; re- 

 fractory material required in fur- 

 nace for, 318; regenerative, <?.r. ; 

 report on, by Ste.- Claire Deville, 

 Beauclerc, and Caron, 216 ; Sie- 

 mens's, q.v. ; Sudre's experiments 

 on, under patronage of Emperor 

 Napoleon III., 216 ; temperature, 

 high, required in, 318 ; time for 

 sample-taking and adjusting com- 

 position in, 411. 



Open top to blast furnace, advan- 

 tages of, 332. 



Ordnance. Armstrong system of, 398 ; 

 hard material outside, weak inside, 

 wrong system of constructing, 

 399. 401 ; Longridge, J., views re- 

 garding criticised, 399 ; mode of 

 construction of, to suit mild steel, 

 398, 401 ; steel for inner tube, 

 of, 400 ; strains, distribution fa of, 

 in manufacture of , 400 ; Woolwich 

 system of, 398. 



Ore charged into blast furnace 

 limited in quantity and capacity 

 for heat, 256, 257. 



Ore-reducing steel process, 284 ; 

 bath of fluid pig metal in, 284 ; 

 bauxite objectionable for, 285 ; 

 compared with Bessemer steel pro- 

 cess,286,287; metal" deadmelted" 

 in, 287 ; decarburizing agent in, 287 ; 

 disadvantage of raw ores for, 285 ; 

 elimination early of manganese 

 and silicon, and late of carbon in, 

 286 ; elimination of sulphur and 

 phosphorus in, 304 ; manganese, 

 oxidation of in, 286, 287; mild 

 steel made by, 416 ; output quick- 

 ened by use of scrap in, 416 ; 

 refractory material suitable for, 

 285 ; and scrap process, difference 

 between, 448 ; silica chemically 

 objectionable in, 285 ; special or 

 prepared ores for, 284 ; spiegelei- 

 sen, necessity for addition of in, 



