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Title: Gilt hydrometer by Oertling, bearing serial number 4973, wit [Go to resource]
Description: Gilt hydrometer by Oertling, bearing serial number 4973, with five weight, in mahogany box. Illustrated on page 55 of book "Weighed in the Balance." Range 0 - 30. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Temporal: 1870-1900 Source: Science Museum Creator: Oertling Identifier: 2005-423 Go to resource More Like this...
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