- Back
-
Title: Two glass hydrometers by Oerling. Mercury weights and paper [Go to resource]
Description: Two glass hydrometers by Oerling. Mercury weights and paper scales. In mahogany box. No. 1 equals range 670 - 720 and No. 2 equals range 790 - 830. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Temporal: 1870-1940 Source: Science Museum Creator: Oertling Identifier: 2005-455 Go to resource More Like this...
[Edit] - Back