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iv INDEX PAGE Church, Dr. John A., M. Am. Inst., M. E.: Ancient Mining, . . 3 8 9 Illustrated. Clark, Eugene B. : Electric Power in Steel Making, ..... 441 Illustrated. Coal Mining, The Health Conditions of, . . . James Barrowman, , 270 Illustrated. Coal Washing, . . . . . . H. L. Siordet, Associate illustrated. of the Royal College of Science, . . 60 Collins, Capt. John W., Engineer-in-Chief of the Service : The United States Revenue Cutter Service, ..... 373 Illustrated. Compressed Air on Warships, .... Passed Assistant Engineer illustrated T. W. Kinkaid, U.S.N., 67 Copper Paint, Galvanic Action on Iron and Steel Ships from, ... 87 Cranes, Block-Setting Titan, .... Joseph Horner, . . 171 Illustrated. Distilling Ship " Iris," For the United States Fleet, The, . Passed Assistant Engineer illustrated. W. W. White, U. S. N., 75 Double-Barrel Cannon, A, ........ 574 Draught for Steam Boilers, Mechanical, . . Walter B. Snow, . 48 Illustrated. Dubsky, Alfred O.: The Rome-Tivoli Electric Installation, . . . .331 Illustrated. Duckham, Fred E.: Pneumatic Grain Elevators and Conveyors, ... 31 Illustrated. Durfee, W. F. : Early Use of Rolls in Manufacture of Metals, . . . . 478 Illustrated. How the Pyramids Were Erected, ...... 213 Illustrated. Elevators and Conveyors, Pneumatic Grain, . . Fred E. Duckham, . 31 Illustrated. Engine Construction and Steam Navigation in the United States, Early Marine, .... Charles H. Haswell, Illustrated. C. and M. E., . 160 Engineering, Aristotle and Modern, . . . Dr. Robert H. Thurston, 195 Engineering in Africa and the Far East, . . J. M. Nisbet, . . 431 Illustrated. Engine-Room Experience in War Time, . . F. M. Bennett, P. A. E., U. S. N„ 217 Excavation Without Using Explosives, Subaqueous Rock, Fred Lobnitz, . 204 Illustrated. Explosives in Naval Warfare, High, . . . Professor Charles E. illustrated. Munroe, . .115 Electricity : Electric Light, The Nernst, ....... 514 Electric Lighting of Railway Trains from Car Axles, . . . .88 Electric Motor for Small Industrial Purposes, The, Alfred N. Gibbings, M. Int. E. E., . 237 Electric Motor, A Portable, . . . . . . . .165 Illustrated. Electric Motors for Hire, ........ 165 Electric Power in Mining, , John McGhie, , 37 Illustrated.