John Frederic Daniell-type condensation hygrometer by William Ladd, 1872

Made:
1872 in London
maker:
William Ladd
and
John Frederic Daniell

Daniell-type condensation hygrometer (1819 pattern) by William Ladd, 11 & 12 Beak Street, Regent Street, London, 1872

Details

Category:
Meteorology
Object Number:
1872-47
Materials:
glass, wood (unidentified), mercury, ivory, brass (copper, zinc alloy), muslin and alcohol
Measurements:
overall: 250 mm x 150 mm x 145 mm, .65kg
type:
hygrometer
credit:
Ladd, W.