Wet and dry bulb hygrometer, mercury in glass, Fahrenheit, by Brannan of London. Scale marked on back plate, reservoir for wet bulb missing. Scale 20 to 120
Details
- Category:
- Meteorology
- Object Number:
- 1995-1810
- Measurements:
-
overall: 21.5 cm
- type:
- hygrometer
- credit:
- Meteorological Office
