Improved hydrometer with four weights

Made:
1815-1825 in Bermondsey
maker:
Dring and Fage

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Improved hydrometer, no. 10080, with four weights (one marked 369), by Dring and Fage, 20 Tooley Street, London, England, c. 1820. With ivory thermometer, ivory proof rule and boxwood rule with ivory slide in mahogany case.

Details

Category:
Experimental Chemistry
Object Number:
1954-380
Materials:
case: mahogany, gilt, slide-rule: boxwood and thermometer: mercury, ivory scale
type:
hydrometer
credit:
National Maritime Museum