476 



INDEX 



Platinum, 450 



Plumb bob, mercury, 56 



Plumbing, 460-467 



nature of work, 464 



tools, 465 



Pneumatic tools, 94 

 Polishing, 277 

 Porcelain, 160 

 Porosity, 4 

 Power, 24 



electric, measured, 173 



hammer, 436 



horse-, 335 



press, 435 



transmission of, 283-301 

 methods of, 283 



weights as source of, 65 

 Precipitation, 143, 144 

 Pressure, steam, 105 

 Printing on fabric, 162 

 Prony brake, 47 

 Properties of matter, 1-6 

 Pulleys, 24, 35-38, 288-291 



compared with wheel and axle, 

 39 



series of, 36 



simple form, 35 



size of, 290 



speed of, 289 



split iron, 288, 289 



wood split, 288, 289 

 Pumps, 



boiler, 314 



measurement of capacity, 315 

 measurement of pressure, 315 

 measurement of water cyl- 

 inder contents, 316 

 Pyrometer, electric, 180-182 



Radiation, 349 



measurement of heat, 350 

 Radiators, 349 

 Reaming, 274-276 



kinds of reamers, 275 



operation of, 274 

 Resistance box, 200 

 Rheostat, 200 

 Rivets, 260 

 Rope drives., 287 



Rule, 

 folding, 9 

 machinists', 9 



S 



Safety, 



factors of, 243 



valve, 311 



construction of, 312 

 Salts, 135 



formation of, 137 



nomenclature, 140 

 Sand, 159 



blast, 96 

 Scarfing, 394 

 Scrapers, 270 

 Screw machine, 427 

 Screw pitch gauge, 438 

 Screws, 25, 45-47, 249-251 



jack, 46 



principle of, 45 

 Screw threads, 



depth of, 255 



kinds of, 255 



measurement of, 253 



parts of, 252 



standard ,256-258 

 Series dynamo, 194 

 Sewerage, 463 

 Shafting, 



arrangement of, 283 



bending and twisting, 285 



formula for H. P., 284 



setting line, 284 

 Shaper, 429, 431 

 Shearing, 234, 235 

 Sheet metals, 



aluminum, 444 



annealing, 451 



antimony, 451 



bell metal, 455 



bismuth, 451 



brass, 451 



Britannia metal, 455 



bronze, 453 



copper, 442 



German silver, 452 



gun-metal, 454 



kinds of, 442 



lead, 446 



mercury, 449 - 



