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Title: Glass hydrometer marked Gallenkamp. 190mm long. Range 0.850 [Go to resource]
Description: Glass hydrometer marked Gallenkamp. 190mm long. Range 0.850 - 0.900. Lead (embedded in red wax) weight and paper scale. In brown cardboard tube, 1930 - 1960. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Temporal: 1930-1960 Source: Science Museum Creator: A. Gallenkamp & Co. Ltd. Identifier: 1997-1087 Go to resource More Like this...
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