Double-barrelled air pump with bell jar by Dollond family

Made:
1780-1820 in London
maker:
Dollond family

Double-barrelled air pump with bell jar by Dollond family, London, England, 1780-1820

Details

Category:
Vacuum Technology
Object Number:
1984-1144/1
Materials:
brass (copper, zinc alloy), glass, mahogany (wood), rosewood and complete
Measurements:
overall: 600 mm x 530 mm x 390 mm,
weight: 7.34kg
weight: 16.18201lbs
type:
vacuum pumps and air pumps