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:
- gilt, case: mahogany, slide-rule: boxwood and thermometer: mercury, ivory scale
- type:
- hydrometer
- credit:
- National Maritime Museum