Guaranteed building plans with interior views and details : a standard collection of new, original and artistic designs of cottages, bungalows, residences and flats of frame, brick, cement, plaster, concrete blocks, hollow tile, stucco etc. and farm buildings of all descriptions together with interior and exterior details and interior views. (1915)
William A. Radford · Radford Architectural Company · leaf 191
aerobic bacteria preparethe way for the anaerobic army byusing the supply of oxygen whichexists m the sewage as it comes intothe tank. It is bacteria of this classalso which finish the work of purifica-tion when the sewage has passedthrough the tank and reached the bedswhere the effluent or… … Septic Tank with Separate Settling Chamber. of the first chamber of the tank, thereforming a thick scum. This scum isthe workshop of the aerobic bacteria,and also serves as a cover, shuttingoff light and air and thus protectingthe active anaerobic bacteria who areat work on the solid material in…
