seams for boiler flue tubes, 164, 178, of steam, 8, 24, 26, 160. of steam, ratio of, 20. of steam, theoretical curve of, 24. of steam-pipes, 204. Express locomotives, 48, 51, 73, 77, 79. FACTORS of safety, 179, 180, 182, 207, 259, 260, 264, 265, 284. Factory chimneys, rules for, 187, 188. Factories, depreciation of, 336. , warming by hot water and steam, 200-204. Fahrenheit degrees, to convert to centi- Fall of drains, pipes, sewers, and rivers, 109. of water, force of, 106. Falling bodies, 335. Fans, speed and proportions of, 213. -pump for non-condensing engines, 12. -water, supply, 99, 166, 190. of cut, of machine tools, 210. Felt, hair for covering pipes, &c., 112. Finishing brass and gun metal, 239. iron castings, 239, 320. Fire bars for boilers, 189. Firing boilers, 190. Fitter's work, price of, 218. Fittings for boilers, 165, 190. Flanged seams for boilers, 164, 178. Flux for brass, 323. for solders, 239. Force, tractive of locomotive engines, 30. Forge tests for iron and steel plates, 260. for gas engines, 87. for steam engines, weight of, 15. Fractional parts of a foot, 330. parts of a hundred weight, 332. parts of a millimetre, 375. parts of a pound avoirdupois, 331. point of various liquids, 236. French horse-power, 382. measures and English equivalents, 376 -381. 225. pitch of screws, rules for cutting, 218, polish for wood, 321. unit of heat, 382. unit of work, 382. weights, 382. words for English engineering terms, Friction of bearings, 139. of leather belts, 154, 156. -, power absorbed by, 138. of rope-belts, 127. of ropes in grooves, 127. of ropes on pulleys, 156. of shafts, 138. of water in pipes, 108, 109. -brake, the, 147, 148. Frictional gearing, 125. Fuel, combustion of, 160. -, consumption of per indicated horse- power, 161. Fuels, 160, 161, 313. Furnace, air in, 165, 187. brass, 228. Galloway boiler, 168. tubes, 168, 169. Galvanized iron cisterns, usual sizes of, 294. iron wire, 299. Gas, discharge, pressure, and power of, 208. pipes, proportions of, 104, 254. Gases, expansion of, by heat, 198. weight of, 273. Gauge, B G, for sheets and hoop-iron, Glass-cutters, sand for polishing metals, 239. Gold coin, weight of, 347, 386. solders for, 238. -, standard, 233. Goods, locomotive engines, 32. Governor arms, 17. balls, 17. for gas engines, 88. for steam engines, 16—19. weighted, 18, 19. Grain-tin, 387. Grate bars, size and weight of, 189. 194. Gravers, to harden, 247. Gravity, resistance due to, 30. Grease, antifriction, 324. axle, 324. for toothed wheels, 324. Great Eastern Railway, express locomotive, 48. 73. Western Railway, express locomotive, Green varnish for metals, 322. Grindstones, speed of, 213. Grooves, friction of ropes in, 127. -, power of shot, 339. -, testing, 339, 340. Gun-metal casting, 228. metal, various mixtures of, 228-233. percha, specific gravity of, 272. of water, pressure of, 105. Heat, absorption of, 199. cement to resist, 318. -conducting power of metals, 198. effect of, on water, 159. expansion of liquids by, 198. melting, 236. smelting, 208, 236. specific, of solids and liquids, 197. Heating buildings and rooms by hot water, 203. buildings and rooms by steam, Horse labour, 5. Horse-power, 4. absorbed by friction, 138. of bevel wheels, 122. of compound engines, 22. of factory chimneys, 187. of gearing, 123, 127-137. silver, 235 Imperial standard wire-gauge, 331. standard wire-gauge, weight of a standard wire-gauge, weight of wire Impressions, alloy for taking, 235. of drains, pipes, sewers, and rivers, 109. - belting, 156. Law, notes on, 343-345. Lead, alloys of, 234, 235. pipes, composition, 286. belts, cements for, 319. belting, strength and weight of, 155. Left hand screw-threads, 222. of stroke of engines, II. Lift of centrifugal pumps, 96. of safety-valve, 184. Lightning conductors, 188. Limits of velocity in rivers, &c., 110. Line of back pressure in diagrams, 25, 27. Linen belting, 156. Links of chains, proportions of, 264. Liquids, expansion of by heat, 198. specific gravity of, 273. weight of, 273, 305. List of French words for English engineer- ing terms, 353-375. of chemical and mineral substances, Materials, strength of, 101, 102, 123, 155, Mean annual rainfall, 390. effective pressure of steam, 20. Measures, French, 375-382. timber, 308. Megass fuel, 161. Melting point of metals, 236 Memoranda, hydraulic, 91, 110. foundry, 226, 228, 323. Men, power of, 5. tested performances of, 383. Mercury, column of, 338. -, melting and boiling points of, 236. antifriction, 234, 235. for anvils, 227. for bearings, 229-235. for brass boiler tubes, 231. for brass bolts, 231, 232. for brass and bronze castings, special mixtures of, 229–233. for bushes, 229-235. for chilled rolls, 227. for cocks and valves, 231, 232. for cylinders, 227. for jewellers, 232. -, special mixtures of, for iron castings, 27. blueing and bronzing, 240-242. conducting power of, for heat and cutting, 209. dissolving, 242, 386. |