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Title: Specific gravity hydrometer, range 1200-1400, by Gallenkamp, [Go to resource]
Description: Specific gravity hydrometer, range 1200-1400, by Gallenkamp, London, 1930-1960. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Source: Science Museum Creator: A. Gallenkamp & Co. Ltd. Identifier: 1985-2177 Go to resource More Like this...
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