Walferdin's Maximum Mercury Thermometer, 1840-1898

Made:
1840-1898 in Bonn
maker:
Francois Walferdin
and
Müller

Walferdin's overflow mercury thermometer for recording maximum temperatures made by H. Geissler and Müller, Bonn, Germany, 1840-1898

Details

Category:
Heat
Object Number:
1898-96
Materials:
asbestos (possibly), brass (copper, zinc alloy), glass, ivory or bone, mercury and textile
type:
thermometer (mercury)
taxonomy:
  • measuring devices
  • measuring devices
credit:
Townson and Mercer Limited