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Title: A.P.I. hydrometer for petroleum, long form with thermometer [Go to resource]
Description: A.P.I. hydrometer for petroleum, long form with thermometer scale in body. ASTM No. 52H. G.H. Zeal Ltd., London, 1984. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Source: Science Museum Identifier: 1984-645/20 Go to resource More Like this...
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