Glass Twaddell No 1 hydrometer marked Baird & Tatlock

Made:
1930-1965
maker:
Baird and Tatlock Limited
Glass Twaddell no 1 hydrometer marked Baird & Tatlock and

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Glass Twaddell no 1 hydrometer marked Baird & Tatlock and
Science Museum Group
© The Board of Trustees of the Science Museum

Glass Twaddell no 1 hydrometer marked Baird & Tatlock and bearing serial number CM2881. 157mm long. Range 0 -24. Mercury weight and paper scale. In faded green cardboard box, 1930 - 1965.

Details

Category:
Experimental Chemistry
Object Number:
1997-1121
Materials:
glass, mercury, paper (fibre product) and cardboard
type:
hydrometer
credit:
Unknown source