INDEX TO VOLUME I. 



487 



MANGANKSK IN STKICL. | 



oxiilisos outof str, l. :u; I ; red-short- 

 ness prevent. <! i.y. L':;J ; in Sie- 

 ii) "n- 1 n-. H -. :ifii< Hi of,.') 12 ; traces 

 only of, in LTHIM! siccl. .Si; I. 

 Manganese in steel, 212 ; action of, 

 1 ; acts as an alloy, 287 ; advan- 

 tages of, 212 ; application of, due 

 Heath, 212, 380 ; when bene- 

 ficial effect of ceases. 213 ; chemi- 

 cal action of, doubtful, 212 ; cor- 

 rosion due to, 365, 392 ; dangerous 

 ingredient, 374 ; distribution of, 

 not uniform, 364 ; effect of, due to, 

 213 ; heterogeneity caused by, 368; 

 neutralises sulphur, 312 ; Parry 

 on, 213 ; phosphorus counteracted 

 by, 339, 364 ; report on by Hack- 

 ney and Willis, 287 ; steel re- 

 melted without, 213 ; rolling as- 

 sisted by, 368, 374, 377 ; sulphur 

 counteracted by, 212 ; treacherous 

 ingredient, 364, 392. 



Manufacture of cast steel, 209. 



Manufacture of steel, advance, re- 

 cent, in, 379 ; by Bessemer process, 

 q. r. ; compared with that of 

 wrought iron, 403 ; by fusion, 

 209 ; by Huntsman's process, 379 ; 

 liquefaction necessary in, 214 ; 

 Reaumur's proposal for, 379 ; by 

 Martin's steel process, 218, 388 ; by 

 ore or Siemens process, 284, 448 ; 

 by scrap or Siemens-Martin pro- 

 cess, 284, 448 ; Swedish ore used 

 for, 212. 



Marche, E., steel, use of, matters 

 affecting, discussion of paper by, 

 373-378. 



Martell, B., shipbuilding, steel for, 

 discussion of paper by, 367-368. 



Martin, open-hearth steel process, 

 218, 388 ; gold medal awarded at 

 French exhibition, 218, 388 ; at 

 Sireuil Works, 218. 



Massanez, J., dephosphorizing in the 

 converter, discussion of paper by, 

 43(5-137. 



MILD STEEL. 



Material in blast furnace not com- 

 parable with regenerators of \\n\- 

 blast stoves as heat absorber, 2.>. 



Matheson, E., steel for structures, 

 discussion of paper by, 458-462. 



.Mayiiard, A. N., bridges, steel in 

 construction of, discussion of 

 paper by, 409-412. 



Melting, calculation of heat neces- 

 sary for, cinder in blast furnace, 

 261 ; iron in blast furnace, 261 ; 

 iron in cupolas, 261. 



Metallic iron, in steel, 398 ; in 

 wrought iron, 398. 



Metals, conductivity of, 330. 



Mild steel, 407 ; annealing not re- 

 quired for, 427 ; arguments in 

 favour of, 421, 427; Board of 

 Trade limit of strength for, 375, 

 408 ; for boilers, 397 ; boilers of, 

 cannot burst, 431 ; careful manu- 

 facture and working of, 432 ; 

 castings, 464 ; chemically pure 

 iron, 369 ; compared with hard as 

 regards strength and ductility, 428 ; 

 compared with wrought iron, 398 ; 

 contains 99'75 per cent, of metallic 

 iron, 398 ; differs physically from 

 iron, 369 ; ductility of, 421 ; for 

 gun-making, 323 ; and hard steel 

 equally strong within limits, 395, 

 420, 423, 424; and hard steel, 

 tables of tests of, 396 ; homo- 

 geneity of, 449 ; not injured by 

 sudden cooling, 421 ; Iris and 

 Mercury buiit of, 431 ; mainly 

 made by ore process, 416 ; by ore 

 process, 448 ; plates, relative cost 

 of, and Yorkshire plates, 432 ; 

 punching action in, 370 ; punching 

 or straining, strength increased by, 

 371, 397, 446, 447, 449, 460, 461 ; 

 rails, preference for, 272 ; re- 

 liability of, 430 ; rivet bars of, 

 432 ; for riveted structures, 460 ; 

 riveting plates of, 369 ; for ship- 

 building, Hi) 7. 448 ; by Siemens- 



