INDEX 



507 



PAGE 



Draft of plows 73 



Draft, line of least 291 



Drawing the fire 356 



Drills no 



classification of no 



construction 1 18 



disk 112 



draft of 1 18 



the hoe no 



the shoe in 



Drum armature direct-current 



dynamos 480 



Dry cells 47 l 



Dynamometers 18 



absorption 1 8 



direct-reading 20 



Giddings 23 



self-recording 20 



traction 19 



transmission 19 



Dynamos 476 



armature 477 



brushes 477 



capacity of 485 



classification of 483 



commercial rating 486 



compound-wound 483 



direct-current 479 



efficiency of 486 



multipolar alternator 478 



repairing a.% . . . 487 



self-exciting, principle of...... 481 



series 482 



shunt 482 



simple alternating-current 476 



Early forms 361 



Early history 298 



Eccentric 372 



Economic considerations of wind- 

 mills 314 



Effect of increase of speed 294 



Effect of length of working day. 294 



Effectual tension on belt 28 



Efficiency of dynamos 486 



of a lamp . 493 



of a machine 12 



thermal 26 



of a wind wheel 307 



Ejector, siphon or 330 



Electric bell 473 



Electric current, heating effect of 471 



Electrical energy 26 



power 466 



transmission 42 



Electricity 462 



current 464 



static 462 



Electromagnet ...... . 472 



Electromagnetic induction 472 



Electromotive force 466 



End-gate seeder 105 



Energy 28 1 



kinetic 282 



law of transformation of 282 



potential 282 



sources of 28 1 



PAGE 



Engines, internal combustion 401 



gasoline traction 401 



mounting 446 



steam 361 



traction 436 



Erecting mills 313 



Eveners 14 



two-horse 13 



Exhaust 430 



nozzle and blower 338 



Expansion of steam 367 



work done during 368 



Externally fired boilers 319 



Factor of safety 49 



Factor upon which the value of 



induced E.M.F. depends... 475 

 Farm machinery, value and care 



of 275 



Farm shop, construction 500 



equipment 575 



location 500 



necessity 499 



size 500 



use 499 



Feed and silage cutters 221 



development 221 



Feed mills 234 



development 234 



power mills 235 



alfalfa mills 237 



capacity of feed mills 237 



corn crushers 238 



sacking elevators 236 



the selection of a 236 



Feed pipe 353 



Feed pumps 452 



Feed water heaters 334 



forks 18 



hay stackers 179 



sweep rakes 178 



Fire, banking the 355 



drawing the 356 



Firing 354 



with soft coal 354 



Float-feed carburetors 416 



Flues, the 351 



cleaning the 359 



Flywheels 410 



Foaming 356 



Force i o 



electromotive 466 



magnetic lines of 460 



Force pumps 265 



double pipe or underground.... 265 



Forks 181 



Forms of motors 292 



Four-cycle engines 402 



strokes of 403 



Frame mounting 445 



Friction mounting 38 



coefficient of 39 



rolling 39 



I'rof? 57 



! urls 347 



value of 348 



Furlcy, M 56 



