Glass Gerber hydrometer

Made:
1900-1960
Glass Gerber hydrometer, possibly lactometer, by unknown maker Glass Gerber hydrometer, possibly lactometer, by unknown maker

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Glass Gerber hydrometer, possibly lactometer, by unknown maker
Science Museum Group
© The Board of Trustees of the Science Museum

Glass Gerber hydrometer, possibly lactometer, by unknown maker
Science Museum Group
© The Board of Trustees of the Science Museum

Glass Gerber hydrometer, possibly lactometer, by unknown maker. 162mm long. Range 25 - 35. Mercury weight and paper scale. With built-in thermometer. In black cardboard tube, 1900 - 1960.

Details

Category:
Experimental Chemistry
Object Number:
1997-1125
Materials:
glass, mercury, paper (fibre product) and cardboard
type:
hydrometer and lactometer
credit:
Unknown source