Gear type rotary vacuum pump

Gear type rotary vacuum pump, unsigned, British, 1918-1923

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Gear type rotary vacuum pump, unsigned, British, 1918-1923
Science Museum Group
© The Board of Trustees of the Science Museum

Gear type rotary vacuum pump, unsigned, British, 1918-1923

Details

Category:
Vacuum Technology
Object Number:
1927-257
Materials:
iron, steel (metal), copper (metal) and brass (copper, zinc alloy)
Measurements:
overall: 420 mm x 230 mm x 190 mm, Wt.16.12kg
type:
pump - machinery
credit:
National Physical Laboratory.