548 



INDEX 



Cable transmission, 324. 



Calcium carbide, 515. 



Canals, 122. 



Candle, standard, 511. 



Canvas belting, 321. 



Capillary water, 57. 



Carburetors, 345, 351. 



Carriers, hay, 271. 



Cart, harrow, 213. 



Cast iron, as machine material, 

 196. 



Cast steel, 197. 



Catch basin, 99. 



Cement, Portland, 410. 



Center, dead, 387. 



Cesspool, 501. 



Chaining, 23, 24. 



Check method of irrigation, 131. 



Chilled cast iron, 197. 



Clay roads, 153. 



Clutch, on tractors, 372, 392. 



Coefficient of friction, 188, 189. 



Combustion of gases, 344, 350. 



Compass, 53. 



Component forces, 314. 



Compound engines, 386. 



Compression, 352. 



Concave, 279. 



Concrete, 411; proportions for, 

 412; reinforcement of, 412. 



Concrete roads, 166; bridges, 

 177. 



Connecting rod, 385. 



Contour maps, 52. 



Corn harvesters, 251; binders, 

 252; huskers, 256; pickers. 

 254; shocker, 254; shredder. 

 256; sled cutters, 251. 



Corn planters, 231; adjust- 

 ment, 236; conveniences, 

 235 ; dropping mechanism, 

 226; essentials of, 231; fur- 

 row-openers, 234; graded 

 seed for, 238; wheels, 234; 

 variable drop, 233. 

 Correction lines, 39. 

 Cow ties, 440. 



'Crank shaft, 385. 



Crowning a rope, 542. 



Crown sheet, 378. 



Cultivators, 237; construction, 

 238; balance frame, 240; 

 disk, 242; guiding devices, 

 241; seats, 241; selection 

 of, 237; surface, 242; walk- 

 ing, 238; wheels, 240. 



Culverts, 175; concrete, 178; 

 design of, 175; importance 

 of, 175; pipe, 178; size, 175. 



Cutters, ensilage, 273; con- 

 struction, 276; elevating me- 

 chanism, 275; mounting, 275; 

 selection of, 276; self-feed, 

 275; types, 273. 



Cylinder, 488; threshing, 278. 



Dairy barns, 436; construction 

 details, 437; essentials of, 

 436; types, 436. 



Datum, 42. 



Dead center, 387. 



Declination of the needle, 53. 



Deep-tilling machine, 206. 



Deere, John, 181. 



Differential, 393. 



Disk harrow, 213. 



Disk plow, 204. 



Ditches, cost of digging, 101; 

 digging for tile, 86, 93; fill- 

 ing, 96; grading, 89; open, 

 103. 



Ditching machines, 87. 



Draft, of plows, 204; principles 

 of, 330. 



Drainage, 56; benefits of, 61; 

 districts, 108; history of, 56; 

 land drainage, 86; lands 

 needing, 58; open ditch, 103; 

 systems of, 67; underdrain- 

 age, 59. 



Drainage districts, 108; assess- 

 ments, 109; defined, 108; 

 laws for, 108; survey of, 109. 



Drainage engineer, 64. 



Drainage system, 67. 



Drainage wells, 100. 



