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Title: Glass hydrometer marked Jackson & Townson. 124mm long. Range [Go to resource]
Description: Glass hydrometer marked Jackson & Townson. 124mm long. Range 0.850 - 0.900. Mercury weight and paper scale. In mottled cardboard tube, 1850-1870 License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Temporal: 1850-1870 Source: Science Museum Creator: Jackson & Townson Identifier: 1997-1084 Go to resource More Like this...
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