Scale Buoy, which the use of was claimed could prevent scale in a boiler

PART OF:
Scale Buoy
Made:
1930-1940 in United Kingdom
maker:
Unknown

Scale Buoy, unsigned, British, 1930-1940. It was claimed that the use of a Scale Buoy could prevent scale in a boiler.

Details

Category:
Industrial Chemistry
Object Number:
1976-144/1
Materials:
glass and mercury
type:
scale buoy