Glass Twaddell No 3 hydrometer by unknown (possibly German) maker

Made:
1870-1940
Glass Twaddell No 3 hydrometer by unknown (possibly German)

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Glass Twaddell No 3 hydrometer by unknown (possibly German)
Science Museum Group
© The Board of Trustees of the Science Museum

Glass Twaddell No 3 hydrometer by unknown (possibly German) maker, and marked 'Twaddel's No 3'. Range 48 - 72. 229mm long. Lead weight and paper scale. In cardboard tube, 1870 - 1940. Hydrometer Index 290.

Details

Category:
Experimental Chemistry
Object Number:
1997-1143
Materials:
glass, lead (metal), paper (fibre product) and cardboard
type:
hydrometer
credit:
Unknown source