393
Fires--causes and prevention 384
Glass spinning and weaving 385
Gun, submarine, new 387
Harbor at Montreal, the 387
Hercules beetle, the* 391
Horse-power of turbines (12) 394
Ice at high temperatures 393
Ice, removing from railroads* 387
Induction coil for transmitter (14) 394
Induction coil, small (26) 395
Invention, schools of 393
Inventions, miscellaneous 390
Inventions, recent 387
Knots, learning to tie 392
Leaves, variegation of 392
Light, what is? 384
London underground railway 389
Mantis, the embrace of the 391
Mechanics, amateur* 390
Montreal, the harbor at 387
Noise, to deaden (9) 394
Nut, safety, improved* 386
Packard's Business College* 383, 388
Patents, decisions relating to 393
Petroleum prospects 386
Photos, to color (10) 394
Poultry raising, mechanical 391
Railway, underground, London 389
Safety nut, improved* 386
Safety valve, improved* 386
Schools of invention 393
Screw-cutting foot lathe (11) 394
Steamers, Collins line of 393
Steam heating, return pipe (17) 394
Steel, to tin (38) 395
Submarine gun, new 387
Sun dial, to adjust (27) 395
Telegraph insulator, new* 387
Telegraph wires underground 385
Valve, safety, improved* 386
Valves, balance attachment for* 386
Vanilla, cinnamon, cocoanut 392
Vennor's winter predictions 389
Vessels, sunken, raising 386
Winter predictions, Vennor's 389
Zinc, to amalgamate (23)