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Title: Glass hydrometer with specific gravity seal for liquids [Go to resource]
Description: Glass hydrometer with specific gravity seal for liquids from petroleum ether to oleum, serial no. 50107, by T. O. Blake, 57 Hatton Garden, London, England. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Source: Science Museum Creator: Blake, T.O. Identifier: 1921-299 Go to resource More Like this...
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