Glass hydrometer for battery acid and marked D P Battery Co Ltd

Glass hydrometer for battery acid and marked D P Battery Co Ltd

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Glass hydrometer for battery acid and marked D P Battery Co Ltd
Science Museum Group
© The Board of Trustees of the Science Museum

Glass hydrometer for battery acid and marked D P Battery Co Ltd, Bakewell. 162mm long. Range 1.150 - 1.300. Lead (embedded in red wax) weight and paper scale. Date of manufacture 1920 - 1960. No case.

Details

Category:
Experimental Chemistry
Object Number:
1997-1128
Materials:
glass, lead (metal) and paper (fibre product)
type:
hydrometer
credit:
Unknown source