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Title: Barkometer for testing tanning liquids. G.H. Zeale Ltd., Lon [Go to resource]
Description: Barkometer for testing tanning liquids. G.H. Zeale Ltd., London, 1984. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Source: Science Museum Identifier: 1984-645/8 Go to resource More Like this...
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