Glass Twaddell's No 3 hydrometer by unknown maker.

Made:
1900-1950

Glass Twaddell's No 3 hydrometer by unknown maker. 247mm long. Range 48 - 74. Mercury weight and paper scale. In brown cardboard tube with tinplate ends, 1900 - 1950.

Details

Category:
Experimental Chemistry
Object Number:
1997-1066
Materials:
case: cardboard and tinplate, glass, with mercury weight and paper scale
type:
hydrometer
credit:
Unknown source
status:
Permanent collection

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