640 INDEX. 



w. 



Ward on the explosion of steam boilers, 573 



plan of Bessemer for manufacturing ordnance,. 548 



Wash for trees, _ 416 



Waterbury on the origin of varieties in animals and plants,, 476 



Weeds, _ 268, 401 



as a manure, _ _ 281 



Weights and measures, 98 



of wheat in Scotland in 1855, _ 309 



Well for supplying stock with water, _ 365 



West's pump, _ 196 



Wheat, 309,322,373, 401 



Wine made in Connecticut, _ 208 



Wray on the Imphee, 444 



Wright on the expansion of steam boilers, 571 



Wright's water jQlter, *194 



ILLUSTRATIONS. 



Allen's dome spring steam gauge, _ *193 



mowing machine, _ , 173 



Ball's safety pump for supplying steam boilers with water, . . 188 



Boone's empire rope making machine, 182 



Burnham's force joump, _ ^ .._ 189 



Coates portable gas works, *194 



Earl's smut machine, ... _ 176 



Empire power loom, _. *96 1 



Fairbanks's railroad scale, _ *199 



Eelton's portable grain mill, 176 



Gale's steam fire indicator, 187 



Hoyt's water lloat gauge, 192 



Hunt & Sands mortar mixing machine, *198 



Ingersoll's portable hand power machine for felling trees, 



sawing logs, &c., 177 



Hay and cotton press, 178 



Kitson's machine for picking cotton, etc., *195 



Peck's drop press, *197 



Salter's furnace for making malleable iron direct from the 



ore, ._ 599 



Sees's adjustable attachment for force pumps, 191 



locomotive feed-water and surface heater, _. 189 



marine heater, 190 



Silsby, Mynderse & Go's steam fire engine, 186 



Wagener's grain harvester, 176 



Wright's water filter, *194 



Youngs & Go's sawing machines, 181 



