. Journal of electricity. ce of the country and many others to the ship-yards, THE WAY THEY DO IT IN PASADENA A small concrete building, surmounted by a per-gola, artistically vined and kept in A-l condition,houses the South Pasadena Sewage Disposal Plant. Not only is the exteriorappearance most attrac-tive, but the pumpingsystem and switchboardswithin have several fea-tures of interest. The rate of disposal ofsewage is of necessitysubject to wide variationsand it is natural, there-fore, to provide for auto-matic means of startingthe pumps when the levelin the settling chambersbecomes too high
. Journal of electricity. ce of the country and many others to the ship-yards, THE WAY THEY DO IT IN PASADENA A small concrete building, surmounted by a per-gola, artistically vined and kept in A-l condition,houses the South Pasadena Sewage Disposal Plant. Not only is the exteriorappearance most attrac-tive, but the pumpingsystem and switchboardswithin have several fea-tures of interest. The rate of disposal ofsewage is of necessitysubject to wide variationsand it is natural, there-fore, to provide for auto-matic means of startingthe pumps when the levelin the settling chambersbecomes too high, and tostop the pumps when thelevel is reduced to a safecondition. But a pumpwhich is large enough to Entrance to power room cope with the maximum conditions would be unsatisfactory, in that it wouldhave to be started and stopped at undesirably frequentintervals, and in case trouble developed with thissingle pumping unit, there would be serious criticismof the lack of foresight of the health authorities, to saythe
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Keywords: ., bookcentury1900, bookdecade1910, bookidjo, booksubjectelectricity