- Back
-
Title: Gour glass customs hydrometers by Oertling. Mercury weight a [Go to resource]
Description: Gour glass customs hydrometers by Oertling. Mercury weight and paper scales. In mahogany box. No. 1 equals range 1000 - 1050, No. 2 equals range 1050 - 1100, No.3 equals range 1100 - 1150 and No. 4 equals range 1150 - 1200. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: customs hydrometer Temporal: 1870-1970 Source: Science Museum Creator: Oertling Identifier: 2005-486 Go to resource More Like this...
[Edit] - Back