Frost point hygrometer
Frost point hygrometer, made by Casella, London, with balanced bridge thermometer indicators, marked 89/91, BBTI MkIIB, marked 828/54, Met ref 1525
Details
- Category:
- Meteorology
- Object Number:
- 1995-916
- Materials:
- metal, glass and wood substitute
- Measurements:
-
overall: 36.5 x 32.5 x 16.2 cm
- type:
- hygrometer
- credit:
- Meteorological Office, Berkshire