362 



GENERAL INDEX 



Invention and inventors 



United States leader in IV 36-7 



Invention 



As a factor of American national 



wealth, (W. C. Dodge) VII 267 



Bessemer process VII 29 



British and American Ill 291 



Edison on, of incandescent lamp. VII 194 



Electric light VII 154 



Encouraged in U. S VII 204 



Machinery and light VII 199 



Oliver Evans' engine IV 235 



Patents, American VII 277 



Sewing machine VII 339 



Telephone. (A. G. Bell) VII 171 



Telephones VII 137 



Triumph of the American idea, 



(A. H. Ford) VII 198 



Typewriters VII 365 



Turbine engines VII 254 



Wages, and VII 275 



Watches VII 351 



Wealth, cause of American VII 269 



(See also boots and shoes, com- 

 pressed air, electricity, tele- 

 graphs, agricultural machinery, 



science) 



Iowa 



Agiculture, and Ill 365 



Territory of, formed II 273 



Ireland 



Scotch-Irish, the, and I 21 



Irish, the 



Immigration of, causes of I 39 



Girls in factories VIII 339 



Iron 



American and British steel VI 126 



Competition feared VI 125 



American primacy in, (J. F. 



Crowell) VI 112 



Belgian competition VI 124 



Bessemer process, ores for VI 98 



Influence VI 107 



Blast furnace temperatures VI 88 



Capacity of VI 88-9 



New style VI 88 



Blast furnaces, modern (F. H. 



Crockard) VI 88 



Output of VI 87-8 



Blowing engines VI 93 



Bosh plates VI 92 



Capital mining VI 81 



Carnegie mills, scope of VI 151 



Casting machine VI 91 



Charcoal furnaces VI 108 



Coal and VI 108 



Fields. Pocahontas VI 96 



Industry and VI 189 



Coke, need of good VI 97 



Production, growth of VI 97 



Colonial manufacture of IV 81 



Colorado VI 74 



Iron — Continued. 



Connellsville district VI 96 



Consolidations of capital in VI 102 



Cyclops plant VI 148 



Danger, future, from Europe VI 117 



Demand on mining methods, 



effect of VI 85 



Deposits. Appalachian chain VI 72 



Delaware and Virginia VI 71 



Duration of superior VI 99 



Non- American VI 100 



Ohio and Kentucky VI 72 



Port Henry VI 68 



Value of VI 75 



Duquesne plant VI 89 



England's priority VI 121 



English ideals VI 121 



Power, decline of VI 123 



European trade, future of VI 127 



German competition VI 124 



Growth of industry in U. S VI 95 



Of trade, eras of VI 114 



Of U. S. steel trade. 



Cause of VI 116 



Homestead works VI 150 



Impulses Ln U. S., first VI 106 



Industry, foimdations of Ameri- 

 can (A. Brown) VI 95 



Industry of U. S., 



(F. W. Tausigg) VI 105 



In U. S., beginnings of VI 105 



Ores and early VI 63 



John Birkinbine VI 61 



Lake Superior region VI 81 



Manufactures, varieties of VI 132 



Milling and drifting VI 78 



Mills, horse power in VII 214 



Mining 



Achievements of VI 84 



Drama of VI 83 



Finance of VI 86 



Methods of VI 82 



Of blast VI 85 



Steam shovel VI 82 



W. Fawcett VI 80 



Missouri VI 73 



Nails VI 134 



National ideals in iron trade, 



(H. J. Skeltoa) VI 120 



New England ores VI 70 



New Mexico VI 74 



Ore deposits, Allegheny VI 67 



(Birmingham, Ala) VI 67 



New York VI 69 



Pennsylvania VI 70 



Distribution and production .... VI 66 



Region, Lake superior. VI 65 



Regions, magnetite VI 68 



Ores as basis of imliustry VI 97 



Commercial iron VI 62 



Composition of VI 62 



Melting VI 90 



