Composition of purified gas, 235. area required, 75. horizontal atmospherical, 71. Morris and Cutler water, 74. Corrections for temperature and Dempster's exhauster, 79. water-gas apparatus, 244. Differential or district governor, 184. pressure gauge, 134. Dip-pipe, 37. Donkin's exhausters, 81. Dry meter, 208. D-shaped retorts, 17. Duration of retorts, clay, 18. Evans' photometer, 169. Examination papers, specimen, 252. Exhauster, the use of, 77. Fire-clay retorts, 16. Flat-frame burners, 220. Fuel required for carbonizing, 30. Gadd's system of guide framing, Gas-holder, capacity of, to find, pressure of, to ascertain, 151. trussed and untrussed roof, 147. concrete, 143. Gas meter, compensating, 206. Warner and Cowan's, 206. Gauge, pressure, 133. differential, 134. King's, 135. Thomas's, 135. station, Braddock's, 178. Hartley's candle balance, 164. Horizontal condenser, 71. Hydraulic main, 37. Illuminating power tested by Bunsen photometer, 164. Jet photometer, Lowe's inferential, 131. Jointing mains, 186. Jones's exhauster, 78. Kirkham, Hulett, and Chandler's Laidlaw's exhauster, 78. Lead papers, to prepare, 128. |