Pumping machinery : for operation by any power : single and double acting triplex pumps for various services, deep well power working heads, artesian well cylinders, rotary and centrifugal pumps manufactured by the Deming Company, Salem, Ohio, U.S.A (1915)
Deming Company · Salem, Ohio : Deming Company · leaf 167
The upper illustration shows aFig. 74 Air Compressor with TypeC Drive, more than twenty-fiveof which are in use by The Com-monwealth Edison Co. and TheNorth Shore Electric Co. for blow-ing out the dust from their largeelectric generators and trans-formers. The center illustration is of a Fig.84…
Pumping machinery
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