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Title: Glass no 1 hydrometer by W M Twaddell, Glasgow. Mercury weig [Go to resource]
Description: Glass no 1 hydrometer by W M Twaddell, Glasgow. Mercury weight and paper scale. In tinplate tube. Range 0 - 22. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Source: Science Museum Creator: Twaddell Identifier: 2005-543 Go to resource More Like this...
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