570 INDEX. 



c. 



Page. 



Cabbage 217 



Cahoon's seed sower 42, 240 



California, letters from.. _ 122, 308 



Camera box, Ormsbee's . ._ 36 



Cannon, large 515 



new method of rifling 465 



revolving ._ 384 



Carrots. ^ 217 



Cartridge cases, self-cleaning .. 398 



Chaff-cutter, Whittemore's _ 44 



Chemistry, applications of, to the military art 497, 500 



organic _ _ - 520 



Chess 215 



Chicory... 241, 285 



Chilled steel 244 



Chrysanthemums ^ 181, 182 



Churchill, J. H., on crucibles and fire-proof materials 447 



preservation of wood _ _ 434 



Cicer seeds, used as a substitute for coliet^ — 302 



Climate, influence of, on invention 359, 370 



Coal, desulphurizing 526, 532 



oil and petroleum ._ 427, 516 



oil lamps, report on _ 38 



origin of 417, 425 



tar 417 



tar, color produced from . 417 



Coals - 494 



Coffee 239, 241 



frauds in 281 



substitutes for ...239, 240, 277, 278, 285, 301, 302 



tree ^ 289 



Collins & Co.'s steel plows _ 259 



Committee, finance, report of _ 23 



library, report of 60 



Condiments for stock 348 



Cooking and cooking apparatus 390 



Copper plate printing by machinery 389 



Corinth grape -- 306 



Corn 116, 137, 154, 166, 206 



