Barktrometer for measuring the density of tanning liquor
- Made:
- 1876 in Bermondsey
- maker:
- Dring and Fage
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Science Museum Group
© The Board of Trustees of the Science Museum
Barktrometer in box, serial no 1115. Hydrometer, used by tanners when tanning leather, for ascertaining the density of bark liquor, made by Dring & Fage, London, 1876.
Details
- Category:
- Experimental Chemistry
- Object Number:
- 1876-553
- Materials:
- gilt, box: mahogany, thermometer: mercury-in-glass, brass scale and slide-rule: ivory and boxwood
- type:
- hydrometer and barktrometer
- credit:
- Dring and Fage
