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Title: Hydrometer kit containing hydrometers and trial jars, by G [Go to resource]
Description: Hydrometer kit containing hydrometers and trial jars, by G.H. Zeal Ltd., used in testing the specific gravity of urine samples License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Creator: Zeal,G.H. Ltd. (maker) Identifier: 1986-469 Go to resource More Like this...
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