Frost point hygrometer

Frost point hygrometer, made by Casella, London, w

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Frost point hygrometer, made by Casella, London, w
Science Museum Group
© The Board of Trustees of the Science Museum

Frost point hygrometer, made by Casella, London, with balanced bridge thermometer indicators, marked 97/51, BBTI MkIC, marked 302/46, Met ref 2828. Calibrated 31/5/54 Hygrometer II marked Met ref 1104, Mark IIB

Details

Category:
Meteorology
Object Number:
1995-917
Materials:
glass, metal, rubber and wood substitute
Measurements:
overall: 19 x 32.5 x 16.2 cm
type:
hygrometer
credit:
Meteorological Office, Berkshire