scribed, 205, 206.
engine, illustrated and described, 185--187.
Hogging of a boiler, 72. Horizontal engines, single and double, and the transmission of power to main lines and coun- ter, 168-172.
Horse power developed by one pound of coal, 51, 52. heating surface required for each, 67.
indicated for each pound mean effective pres- sure, table of, 261. table of, 300. which may be trans-
mitted by single belts to pulleys, 403-405. Hot air engine, efficient power of, 50, 51. Hydrogen and carbon, heat given out in burning,
Internal tubes in boilers, 70. of the internal fire flue boiler, investi- gation of the, 73, 74. average breaking and crushing strains of, 379. comparative weight of, with water and with mercury, xliii. linear expansion of wrought, by heat, 71. pipe, wrought, table of weight of, 402.
piston, cast, use of, in England, 148.
plates, wrought, drilling of, 206.
Ice, thermal units required to | Journal slides, loss from hot,
Krupp's steel field pieces, | Magnesia coverings for pipes,
Lap, table to find the amount of, necessary on the steam side of a slide valve to cut the steam off at various fractional parts of the stroke, 134. upon a slide valve, 118-
welded flues, U. S. regu-
lations for, 236-240.
Laps, width of, 212-214. Latent heat, definition of, 57. Launch engine, Acme, illus- trated and described, 335, 336.
stern wheel, illustrated and described, 339-342. Launches and yachts, steam, 326-344.
Lead, characteristics of, xlii. Licensed officers, 250-253. Linear expansion of wrought iron by heat, 71.
Line shafting, rules for, not applicable for engine crank shafts, 160, 161. Liquids, weight of, xlvi. Locating of tubes and flues, 196-200. Locomotive boiler, defect of,
illustrated and described, 299.
or fire box boilers, porta- ble with charcoal iron or steel shells, and steel fire boxes, 299–302. Longitudinal seams, double riveting of, 70. Lord's compound for neutral- izing the acids in feed waters, 364.
Machine designing, 385-390.
Magnesium carbonate as a non-conductor of heat, 345-350. Main crank shaft and driving pulley, 160-164.
Malleability of matter, xxxiv. Man holes, stays, hand holes,
side seams, caulking, etc., 200-202. Marine boilers, submerged tube vertical, illustrated and described, 329, 330. engine, Willard & Co's., illustrated and de- scribed, 333-335. steam boilers, affidavit of manufacturer, 229. Mass, definition of the term xli.
Matter, composition of, xxvi divisibility of, xxvi-
evaporation of, xxviii. general properties of, xxvi-xlvi.
solution of, xxvii, xxviii. Mean pressure, to find the, on a cylinder, 258-262. Mechanical equivalent of heat, 54, 55. Metals, weight of different, xlv, xlvi.
Mills, flour and cotton, en- gines for, 106, 107. Mineral wool covering, 351, 352. Mineral wool, influence of, on iron pipes, 358, 359. Molecular force evolved in changing a mixture of oxygen and hydrogen gases into ice, 58.
Molecules, xxvi.
Motion curves, illustrated and described, 130-132.
Mud drums, fitting of, 379.
Packing for piston and stuff-
ing box, 147-151. Percussion of bodies, heat generated by, 56. Peerless marine engine, the, illustrated and de- scribed, 336-338. Pepper box boiler, defects of, 92, 93. Phosphor-bronze piston, use of, 147.
Pins, cross head and crank, construction of, 141,
Pipe covering materials, fires caused by, 356. coverings, table of result of experiments with, 362. Pipes and valves, feed and blow-off, 178-181. Piston and exhaust after ex- pansion, rule to find the relative state of, 133. and piston packing, 312,
and stuffing box packing, 147-151.
best mode of securing, to the piston rod, 146. cast iron, use of, in Eng- land, 148. compression of exhaust
steam on the, 115. functions of, 114. head, proper boring of, 146. phosphor-bronze, use of,
rod, best manner of fas- tening a, to the cross head, 145, 146.
error of screwing, into a cast iron cross head, 144, 145.
Paste thud 153, 264, 25/05, 169, Piston rod, securing of, to cross head, 144-
147. Piston rods, proper material to be made of, 146. valve, balanced, 157. Pistons, error of heavy cast- ing of, 149, 150. openings in face of, for ad- mission of steam, 150. Pitting of mud drums, 379. Plate iron, table of weight of, per square foot, 344. Plates, steel vs. iron, 191-194. Polishing and finishing metals, 394-396.
Poppet valve, single and dou- ble, 153-155.
Porosity of matter, xxix, xxx. Port openings, rule for get. ting the proper area for, 132, 123 267
steam and exhaust, illustrated, 113.
steam and exhaust, proper standard of, 152, 153. 267
and slide valves, propor- tioning, 122-126. Potential energy, 57, 58. Power, transmission of, to main lines and counter, 168-172.
Pressure allowable on boilers built prior to February 28, 1872, 232. Prevention and removal of scale in steam boilers, 363-366. Priming, cause of, 199. 390. Proportion and construction of an engine, 140-226. Proportioning ports and slide valves, 122-126. Pulleys, rule for calculating speed of, 397-399.
Ratio of Experia, 169, Reed's pipe covering, 352. Regulation of speed, 99, 100. Releasing gear, illustrated
and described, 305, 306. Repulsion, xi, xxxi, xxxii. Riveted flues, U. S. rules for, 233-236. joints, breaking strains of, 69.
illustrated and de- scribed, 78-85. Riveting and staying, 207-209. button set, illustrated and described, 301, 302. Rivets, area of, holding crow feet to boiler heads, 84. spacing of, 212–214. Rotative pressures from pair of cranks at right angles, illustrated and described, 107, 108. pressure, uniformity of, by a pair of cranks at right angles, 107. Rubbers on band saw wheels, direction for putting 011, 400.
Safety valves, errors in use of, 183, 184. Saturated steam, properties of, 367. Saw blades, directions for brazing, 399. Scale in steam boilers, pre- vention and removal of, 363-366. Seam, single riveted, compar- ative strength of, 77. Seams, longitudinal, double riveting of, 70. transverse, riveting of, 70. Sectional tube boiler, advan- tages of, 215-217. Securing of piston rod to cross head, 144-147.
Settings for boilers, 174–178. Setting up steam engines, 187-191.
Shaft, crank, errors in the construction of, 142. Sheet iron, galvanized, table . of weight of, 344. Shells and tubes, 221-226. Side seams, man holes, stays, hand holes, side seams, caulking, etc., 200-202. Single and double horizontal engines, and the trans- mission of power to main lines and counter, 168-172.
riveted seam, compara- tive strength of a, 77. Slack, value of, 384. Slide valve, how to set, illus. trated and described, 135-139. valves, 112-121. valves and ports, propor- tioning, 122-126. Slides, hot journal, loss from,
Stays, man holes, hand holes, | Steam yacht Juno, illustrated
heating, 380, 381.
heat units required to convert boiling water into, 57.
jacketing, 151, 152.
launches, sizes, 343. lead, 167.
packing, self-acting, 148, 149.
ports, proper standard of, 152, 153. ; 7
requirements of, 97. pressure, allowed on boil- ers, table of, 250. release of, 115. saturated, properties of, 367.
table of mean pressure of, at different rates of ex- pansion, 260. valve, perfection of, 114.!
and described, 327, 328. yachts and launches, 326-
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