1 - Mines Magazine - Colorado School of Mines

JobEVERY INSTALLATIONEngineeredFOR MAXIMUMPUMPING ECONOMYIndividual engineering on every application isstandai'd practice with Wilfley. This personal attentionto your specific requirements, plus Wilfley'sday-in, day-out dependabilty, guarantee low costpumping. Put a Wilfley Sand Pump to work . . .it will give you continuous, maintenance-free service,higher output, longer pump life, and quick,easy replacement of parts.Wilfley Sand Pumps may be fitted with interchangeableelectric furnace alloy iron, special applicationalloys, or rubber-covered wearparts.Write, wire or phone for complete details.Companions in Economical Operation"AcidA. R. WILFLEY and SONS, INCDENVER, COLORADO, U.S.A. - P.O. BOX 2330NEW YORK OFFICE; 122 EAST A 2ND STREET, NEW YORK CITY 17