Double barrelled air pump

Double barrelled air pump, unsigned, British, 1871-1900 (see note)

Details

Category:
Vacuum Technology
Collection:
Sir Henry Wellcome's Museum Collection
Object Number:
1985-2044
Materials:
mahogany (wood), brass (copper, zinc alloy) and steel (metal)
Measurements:
overall: 400 mm x 430 mm x 255 mm, 9.11kg
credit:
Wellcome Trust