Twaddle's hydrometer

Made:
circa 1900 in London
maker:
Baird and Tatlock Limited
and
Baird and Tatlock (London) Limited

Twaddle's hydrometer, glass, made by Baird and Tatlock (London). Ltd. c. 1900

Details

Category:
Experimental Chemistry
Object Number:
1980-129
Materials:
glass, mercury and paper (fibre product)
type:
hydrometer
credit:
Dr. Brian Bracegirdle.