Hydrometer of old form

Made:
1830-1860 in London
maker:
Dring and Fage

Hydrometer of old form, in box. Hydrometer Index 619.

An early version of Sikes’ hydrometer. Ivory slide rule signed ‘DRING and FAGE. MAKERS No 20 TOOLEY St’.

Details

Category:
Experimental Chemistry
Object Number:
1876-1071
Materials:
brass, box: mahogany and two slide-rules: one ivory, and one boxwood/ivory
type:
hydrometer
credit:
Dring and Fage