INDEX 



Acetylene plant, 515; cost of, 

 519; generator, 517; produc- 

 tion of gas, 517. 



Agricultural Engineering, de- 

 fined, 13. 



Air. amount breathed by ani- 

 mals, 532; amount in gas 

 mixtures, 350; standard of 

 purity of, 531. 



Air pressure water system, 494. 



Alfalfa, under irrigation, 119. 



Alfalfa harrow, 217. 



Ammeters, 358. 



Angle of incidence of sun's 

 rays, 507. 



Angle of traces, 331. 



Areas, computing, 34; problems, 

 37. 



Arrows, 21. 



Ash wood, use in tools, 196. 



Babbitting boxes, 192. 



Ball bearings, 191. 



Balloon frame, for houses, 455. 



Barns, dairy, 436; horse, 442; 

 round, 449. 



Barn framing, 445. 



Basin method of irrigation, 132. 



Bathroom fixtures, 499. 



Batteries, 358. 



Beams, strength of, 406; form- 

 ula for, 408. 



Bearing of a line, 53; of a 

 plow, 201. 



Bearings, ball, 191; adjust- 

 ment of, 193; harrow, 218; 

 ring oiling, 191; roller, 191; 

 self-aligning, 190. 



Beech wood, 196. 



Belting, 320; canvas, 321; 

 horsepower of, 320; lacing 

 of, 322; leather, 321; rubber, 

 321. 



Bench marks, 43, 49. 



Bending moment, 406. 



Berm, 104. 



Bessemer steel, 197. 



Binder, grain, 244; adjustment, 

 248; causes of failure to tie, 

 248; engine drive, 246, 269; 

 operation of, 246; selection, 

 244; size, 244; tongue truck, 

 246. 



Birch wood, for machines, 196. 



Blower, ensilage, 275; thresher, 

 280. 



Boiler, steam, 376; capacity 

 of, 379; locomotive, 378; 

 management of, 383; return 

 flue, 379; vertical, 377. 



Boiler feeder, 382. 



Border method of irrigation, 

 133. 



Boxes, of machines, 190; bab- 

 bitting, 192; enclosed wheel, 

 191. 



Brick, building, 410. 



Brick roads, 165. 



Bridges, concrete, 177; design 

 of, 175; foundation for, 177; 

 importance of, 175; size, 175. 



Bridging, 456. 



Brooks, as farm water supply, 

 484. 



Bubble tube, 44. 



Buildings, farm, capital invest- 

 ed in, 395; heating, 525; 

 lighting, 506; location of, 

 395; ventilation of, 531. 



