258 CONSTRUCTION AND MANAGEMENT OF SMALL GASWORKS. 



Painting ironwork, 81. 

 Piping of building, 140. 

 Population, sale of gas per head 



of, 6. 

 Pressure, initial, 57, 59, 61. 



At point of combustion, 58. 



Gauge, 81, 217. 



Insufficient, 92. 



Modern conditions, 58. 



Recording, 92. 

 Price of gas, a fair selling, 99, 



101. 



Profit and loss, 152. 

 Promises, adherence to, 141. 

 Provisional Order, 10. 



Cost of, 250. 



Prospectus to ladies only, 27. 

 Public lighting, 115. 



Governors for, 125. 



Law relating to, 16. 



Moonlight schedule, 116. 



Terms of payment, 117. 

 Pumps, 217. 



Purchase of materials, 71, 150. 

 Purifiers, 51, 222, 246. 



Cost of, 225. 



Modern improvements, 51. 



Preparation of material for, 



85. 

 Purification by liquids, 48. 



Quantities, table of, 191. 



Remuneration, methods of, 69. 

 Residual products, 128. 



Books for, 157, 173, 175. 

 Retorts, capability of, 210. 



Cost of, 213. 



Idle time, 38. 



Size of, 39. 

 Retort house, cost of, 206. 



Design for, 201, 202, 243. 



Chimney for, 41, 42, 206. 



Flues, 75. 



Roof for, 202. 



Units, 38. 



Ventilation of, 44. 



Working arrangements, 74. 



Retort house settings, 36, 206, 

 207, 208, 209, 210, 2ii. 



Revenue account, 150, 151, 167, 

 168. 



Road, making up, 237. 



Sales of gas, books for, 156, 171, 

 172. 



Law relating to, 15. 



Per head of population, 6. 

 Scrubbers, 48, 220. 



Cost of, 222. 



Selling price of gas, 5, 6. 

 Service pipes, cost of, 239, 250, 



254. 



Size of, 97. 



Service, tapping main for, 122. 

 Quantity of gas supplied by, 



193- 



Site of gasworks, selection of, 31. 

 Important considerations re- 

 specting, 33. 

 Slot meters see automatic 



meters. 



Small gas undertakings, defini- 

 tion of, I. 



First experience of, 2. 

 Number of, 2. 

 Specific gravity and Twaddel's 



hydrometer, 83. 

 Station meter, 52, 228. 

 Steam boiler, 53, 217, 218. 

 Steel gas main, 8, 63. 



Gasholder tank, 228. 

 Stocks and balances, 152, 168. 

 Storage, 52. 



Suction plant for town supply, in. 

 Sulphate of ammonia, 131. 

 Plant at Wareham, 133. 

 Specific gravity of solutions, 



194- 



Sulphuric acid, 193. 

 Sulphuretted hydrogen, 83. 

 Supply pressure, 58, 91, 94. 



Changing conditions of, 60. 



Insufficient, 92, 138. 



Tanks, 129, 218, 219. 

 Steel gasholder, 228. 



