Glass specific gravity hydrometer marked Gallenkam

Made:
1930-1980
maker:
A Gallenkamp and Company Limited

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Glass specific gravity hydrometer marked Gallenkamp. 187mm long. Range 1.800 - 1.850. Mercury weight and paper scale. In green cardboard tube, 1930 - 1980.

Details

Category:
Experimental Chemistry
Object Number:
1997-1120
Materials:
case: cardboard and glass with mercury weight and paper scale
type:
hydrometer
credit:
Unknown source