- Back
-
Title: Glass Gerber hydrometer (with internal thermometer) by unkno [Go to resource]
Description: Glass Gerber hydrometer (with internal thermometer) by unknown maker. 159mm long. Range 25 - 35. Mercury weight and paper scale. In dark grey cardboard tube; end of top missing, 1900 - 1960. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: hydrometer Temporal: 1900-1960 Source: Science Museum Identifier: 1997-1081 Go to resource More Like this...
[Edit] - Back