ACTUAL COSTS AND CAPACITY OF GASWORKS. 



211 



placed in the empty arch, the capacity of the existing 

 bench will be over 26,000,000 cubic feet. There is room 

 for another setting of, say, eight retorts, and the capacity 





Fig. ii. Regenerator: Elevation. 



of the whole retort house may then be taken at approxi- 

 mately 40,000,000 cubic feet. The space which is now 



