Six-Throw M D Hydraulic Pump, O/No. 7220, c.1934

Ram 2″ dia. x 6″ stroke x 70 rpm.  Working pressure 4480 psi.

Gearing ratio approx. 4:1

This pump was used to provide hydraulic power for a 1650 ton Lead Pipe Extrusion Press.

The photograph illustrated was recovered from a poor-quality glass negative, digitally converted and enhanced.

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Click on the hyperlink to see other Notable Orders from the 1930s

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