INDEX 



PAGE 



Moving an engine, guiding 454 



gutters 455 



mud hoies 454 



reversing 455 



Mowers 162 



knife grinder 170 



modern 1 64 



mower frame 165 



one-horse 165 



troubles with 169 



two-horse 165 



wheels 166 



windrowing attachment 170 



Mudholes 454 



Multipolar alternator 478 



Muscles, strength of 286 



Muscular development 284 



Natural magnets 460 



Newbold, Charles 54 



Newcomen's engine 



Newton, Robert 



Nut. . . 



361 



5 < 

 16 



Object of lap 37O 



Ohm. 

 Ohm's law 

 Oil 



467 

 467 

 348 



Oil-cooling system 4 2 3 



On the road 456 



Open-bottom type, the 3 2 4 



Open-jacket cooling 423 



Operating motors 489 



Orchard disk harrow 85 



Outside lap 369 



Packing 397 



Parallel connections 469 



Parallelogram of forces 10 



Farlin, William 35 



Parts of a steam engine 361 



Physical and mental changes 3 



Pipe, blow-off 338 



Piston 409 



rings 49 



Pitch of screw 16 



Plane, inclined 15 



Planirneter, the 23 



Flanker 87 



Planter wheels 129 



Plow 52 



bottom 59 



chilled 65 



disk 66 



the development of 52 



draft of 72 



gang 58 



hillside 65 



the modern sulky 58 



the modern walking 56 



the Roman plow 52 



scouring of 71 



set of sulky 70 



set of walking 69 



steam 67 



the steel plow 54 



subsoil 66 



types of sulky plows 60 



Flow-cut disk harrow 87 



PAGE 



Plug, fusible 335, 336, 337 



Polarization 470 



Poles 460 



Poor regulation of voltage 486 



Pop valve, safety or 335, 336, 337 



Population, percentage of, on the 



farms 4 



Ports, anchor 313 



Potential difference 463 



distribution of, in lamp circuits 493 



unit of 464 



Pounding 398 



Power, boiler horse 340 



definition of 1 1 



electrical 466 



by heating surface 341 



horse power by test 340 



mills 235, 317 



alfalfa mills 237 



capacity of feed mills 237 



corn crushers 238 



presses 189 



sacking elevators 236 



the selection of a feed mill.. 236 



Present engine, the 361 



Pressure, mean effective 25 



Prime movers 281 



Priming 339, 356 



Principle of the commutator 479 



Product, quality of 6 



Production, cost of 5 



increase in 4 



Pulley, belt 32 



definition of 16 



differential 16 



rules for calculating speed 32 



Pumping machinery 256 



centrifugal pumps 269 



early methods of raising water. 256 



force pumps 265 



double-pipe or under force 



pumps 265 



hydraulic information 258 



lift pumps 263 



modern pumps 263 



power pumps 268 



pump cylinders 267 



pump principles 258 



reciprocating pumps 257 



rotary pumps 269 



Pumps, feed 330 



guality of products 6 

 acing 388 



Rakes, development 171 



endless-apron reversible 173 



one-way 173 



self-dump 172 



side-delivery rakes 172 



steel dump or sulky 172 



Ransom, Robert 53 



Rating 457 



Reading an indicator diagram.... 384 



Rear mounting 440 



Reasons for lead 370 



Reciprocating pumps 257 



Reconstructed turbines 299 



