INDEX 



549 



Drawing instruments, 28. 



Drills, 225; adjustment of, 229; 

 force feeds, 227; furrow- 

 openers, 225; horse lift, 229; 

 press drill, 228; seed tubes, 

 228; selection of, 228. 



Dynamometers, 317. 



Dynamos, 358. 



Earth roads, 147 ; construction, 

 147; crown, 149; drainage 

 of, 147; extent, 147; grades, 

 151; maintenance, 150. 



Efficiency of lamps, 513; of a 

 machine, 186. 



Elasticity, denned, 404. 



Electric light, 520; cost of, 

 524; plant, 521; selection of 

 plant, 522; source of power, 

 521. 



Electrical terms, 522. 



Elements of machines, 186. 



Elevation of a point, 42. 



Elevators, ensilage, 275; por- 

 table farm, 287. 



Energy, kinds defined, 313. 



Engineer, drainage, 64. 



Engineering, defined, 13. 



Engine gang plows, 208. 



Engines, gasoline or oil, 344; 

 measuring power of, 316: 

 operation of, 350; steam. 

 376, 385; tractors, 370, 389. 



Ensilage machinery, 273. 



Equilibrium, defined, 402. 



Essentials of a machine, 187. 



Eveners, 334; four-, five-, and 

 six-horse, 336; placement of 

 holes, 334; plain, 337; three- 

 horse, 335. 



Factor of safety, 405. 



Fanning mills, 282. 



Farmhouse, the, 451; con- 

 structing, 455; features of 

 construction, 451 ; location 

 of, 451; plan of, 452. 



Farm machinery, 180. 



Farm mechanics, defined, 15. 



Farm sanitation, 480. 



Farm structures, 395. 



Feed mills, 298. 



Feed water heater, 382. 



Fields, leveling, 52. 



Fixtures, bathroom, 499; 



plumbing, 497. 

 Flagstaff, 21. 

 Flooding method of irrigation, 



131. 

 Flow of water, in ditches, 105; 



in pipes, 491; in tile, 78. 

 Foaming in boilers, 383. 

 Foot pound, defined, 314. 

 Force, action of, 402; defined, 



314. 



Forks, hay, 270. 

 Friction, coefficient of, 188, 189; 



defined, 187; of rest, 188; 



rolling, 188. 

 Friction gearing, 325. 

 Fuels, for engines, 344. 

 Full frame, 445, 455. 

 Furnaces, for boilers, 377; for 



houses, 526. 

 Furrow method of irrigation, 



133. ' 

 Fusible plug, 382. 



Gang plows, 201; engine, 208. 



Gas mixture for engines, 350; 

 testing, 352. 



Gasoline engines, 344; classes, 

 344; estimating horsepower 

 of, 367; four-stroke cycle, 

 346; fuel for, 344; operation 

 of, 350; for pumping, 486; 

 selection of, 361; testing, 

 366; two-stroke .cycle, 347; 

 types, 345; use on binders, 

 246, 364. 



Gasoline lamps, 514. 



Gas tractors, 370. 



Gauge, cocks, 380; glass, 381; 

 pressure, 381. 



Gearing, for transmitting pow- 

 er, 324; traction, 373, 393. 



