_Generator B Size_ (producing 1,500 cubic feet per hour)
Anthracite to make gas at the rate of 1,500 s. d.
cubic feet per hour=18 lb. x 9 working
hours=162 lb., or, say, 1½ cwt. 20s.
a ton.................................. 1 6
Allowance for wages of attendant......... 1 0
Repairs and depreciation of generator,
gasholder, etc. (5 per cent, on £140)
=per working day....................... 0 5½
Interest on capital outlay, ditto........ 0 5½
___ ___
Total........................... 3 5
cub. ft.
Gas produced............................. 13,500
Less gas used for generating and
superheating steam..................... 1,200
______
Total effective gas for 3s. 5d.. 12,300
Net cost 3 1/3d. per 1,000 cubic feet.