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Title: Twaddell's No 1 hydrometer in glass [Go to resource]
Description: Twaddell's No 1 hydrometer in glass, 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: 1921-296 Go to resource More Like this...
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