Glass specific gravity hydrometer marked Townson & Mercer

Glass specific gravity hydrometer marked Townson & Mercer Glass specific gravity hydrometer marked Townson & Mercer

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Glass specific gravity hydrometer marked Townson & Mercer
Science Museum Group
© The Board of Trustees of the Science Museum

Glass specific gravity hydrometer marked Townson & Mercer
Science Museum Group
© The Board of Trustees of the Science Museum

Glass specific gravity hydrometer marked Townson & Mercer. Range 1.300 -1.600. 234mm long. Mercury weight and paper scale. In faded cardboard tube, 1900 - 1960.

Details

Category:
Experimental Chemistry
Object Number:
1997-1146
Materials:
glass, mercury, paper (fibre product) and cardboard
type:
hydrometer
credit:
Unknown source