Glass hydrometer marked Townson & Mercer. Range 0.700 - 1.000. 293mm long. Mercury weight and paper scale

Made:
1900-1960
maker:
Townson and Mercer

Glass hydrometer marked Townson & Mercer. Range 0.700 - 1.000. 293mm long. Mercury weight and paper scale, 1900 - 1960. No case.

Details

Category:
Experimental Chemistry
Object Number:
1997-1141
Materials:
glass, mercury and paper (fibre product)
type:
hydrometer
credit:
Unknown source