550 



INDEX 



Governor, engine, 387. 

 Graders, grain, 282. 

 Grading tile drains, 73, 89. 

 Grain, under irrigation, 118. 

 Graphite, as a lubricant, 189. 

 Gravel roads, 154; binder, 155; 



cost of, 158; drainage of, 



156; maintenance of, 158; 



surface construction, 156. 

 Grease cups, 192. 

 Grip, of horse, influence on 



draft, 331. 

 Gunter's chain, 18. 

 Gunter's chain measure, 19. 



Halters, rope, 545. 



Harrow attachment for plows, 

 219. 



Harrows, 211; cart for, 213; 

 construction of, 212, 215; 

 disk, 213; smoothing, 211; 

 spring-tooth, 213. 



Harvester, corn, 251; grain, 

 244. 



Hav machinery, barn, 270; 

 field, 258. 



Heating systems, 525 ; fur- 

 naces, 526; stoves, 525. 



Hickory wood, qualities and 

 uses, 196. 



Hillside plow, 207. 



Hitch, length of, influence on 

 draft, 332. 



Hitches, 541. 



Hog houses, 414; individual, 

 417; large, 419. 



Horse, amount of service from, 

 329; as a motor, 327; capa- 

 city of, 328; draft, 330; size 

 of teams, 329; weight, etc. 

 of, influence on draft, 330. 



Horse barns, features of con- 

 struction, 442. 



Horsepower, 314; estimating, 

 engines, 316, 366. 



Hot water heating system, 528. 



Husker, corn, 256. 



Hussey, Obed, 181. 

 Hydrostatic water, 57. 



Ignition, in oil engines, 354; 

 jump-spark system, 357; 

 make-and-break system, 355. 



Implement, defined, 186. 



Implement house, 473; details 

 of construction, 474; loca- 

 tion, 473; size, 473. 



Incandescent lamp, 521. 



Injector, 382. 



Instruments, for leveling, 42; 

 for measuring, 18. 



Iowa silo, 469. 



Iron, cast, 196; wrought, 197. 



Irrigation, 111; amount of wa- 

 ter used in, 117; applying 

 water in, 129; crops grown 

 by, 118; history of, 112; pre- 

 paring land for, 130; pur- 

 poses of, 113; sewage dis- 

 posal by, 138; supplying 

 water for, 122. 



Irrigation culture, 115; in 

 humid regions, 136. 



Jacks, lifting, 287. 

 Journal, 190. 

 Jump-spark ignitors, 357. 



Kerosene lamps, 511. 



Knots, essentials of a good, 



538; kinds, 539. 

 Knotter, binder, 248. 

 Kutter's formula, 105. 



Labor, farm, influence of ma- 

 chinery on, 181; of inconven- 

 ient buildings on, 395. 



Lakes, as farm water supply, 

 484. 



Lamps, efficiency of, 513; gas- 

 oline, 514; kerosene, 511. 



Land rollers, 220. 



Laundry, in farmhouse, 454. 



Laying out the farm, 396. 



Leaks, in oil engines, 353. 



