Blinkensop, Mr., constructs a locomotive engine, 161 Boiler, methods for showing the level of water in the, 118. Its power and proportions, 297 Bolton, Matthew, his connexion with Watt, 88 ---- and Watt, Messrs., immense expenditure of, in bringing their engines into use, 91 Booth, Mr., his method of using tubes to conduct heated air through locomotive boilers, 176. His report to the directors of the Liverpool and Manchester railway on the apparent discrepancies of Messrs. Walker and Rastrick's estimate of locomotive power, 189 Braithwaite and Ericsson, Messrs., their "Novelty" described, 175 Branca, Giovanni, his machine for propelling a wheel by a blast of steam, 45 Brewster, Dr., 79 Brunton, Mr., his improved furnace described, 130 C. Canals, transport on, 208. Experiments with boats on, 209, Comparison of with railroads, 210 Cartwright, Rev. Mr., description of his improvements in the steam engine, 142 Cawley, John, 61 "Century of Inventions" by the Marquis of Worcester, 46 Chapman, Messrs., obtain a patent for working a locomotive by means of a chain, 162 Church, Dr., his steam carriage, 239 Cohesion, attraction of, 32 Condensation of solids, 28 Condensation by jet, accidental discovery of, 65 Cornwall, reports of duty of steam engines in, 303 Cotton, processes in the culture of, 18 Cylinder, its proportions, 300 D. D valve, description of the, 113 Damper, the, 126 Duty of a steam engine, 291 Duty, reports of, in Cornwall, 303 E. Eccentric; description of the, 111 Edelcrantz, the Chevalier, 127 F. Farey, Mr., his statement respecting the variations in the work of different steam engines, 133 Fluids, property of, 21 Fly-wheel, introduction of the, 104 Four-way cock, description of the, 115 Fuel, table of the consumption of, in different locomotives, 180 G. Governor, description of the, 105 Guericke, Otto, inventor of the air-pump, 70 Gurney, Mr., his steam carriage, 216 H. Hackworth, Mr., description of his engine, the "Sanspareil," 173 Hall, Mr. Samuel, his patent steam engine, 248. Its advantages for navigation, 249. Its successful application, 250 Hamilton, Duke of, 88 Hancock, Mr. Walter, his steam carriage, 235 Heat, phenomena of, 29 Hero of Alexandria, description of his machine, 41 Hopper, the, or apparatus for supplying the fire-place with coals, 131 Hornblower, Mr., his double-cylinder engine, 134 Horse power and steam power, comparison between, 202 Horse power of an engine, 291. Method of calculating it, 293 Howard, Mr. Thomas, his patent steam engine, 253. Its advantages in navigation, 256 Huskisson, Mr., 154 I. Inclined planes, their injurious effects on railroads, 194. Methods proposed to remedy these, 194 India, steam communication with, 271 K.