hydrometer

ABDNP:200422a

glass specific gravity hydrometer, lead shot weighted, scale 700 to 1000. Separate weight and float bulbs. In cardboard tube

230mm long, 16mm dia float, 8mm dia tube

lead, glass, paper

British make

66ac6b55-24f6-4e60-a1d8-18b28b8f8e6f