Gadgets; Hydraulic Flow Switch

CIM Bulletin1945
THOS. E. CATHERWOOD, Chief Electrician, Buffalo Ankerite Mines, Ltd .
THIS article describes the origin and details of a hydraulically operated switch to control the operation of an automatic underground pumping system. This system was installed in December, 1939, on the 2,350-foot level at No. 5 shaft of the Buffalo Ankerite mine.
Keywords: Buffalo Ankerite, centrifugal pump, check valve, hydraulic cylinder, volt, flow, Friction, Mines, Packing, Pipe, Pressure, Pump, Pumping, Pumps, Shafts
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