Whirling psychrometer
Whirling psychrometer, made by CFC (C.F. Casella and Co. Ltd), marked NPL41 on wet bulb, NPL44 on dry bulb, therefore dated 1940s. Wet bulb frame-mounted scale numbered 45732, dry bulb scale numbered 45783
Details
- Category:
- Meteorology
- Object Number:
- 1995-932
- type:
- whirling psychrometer
- credit:
- Meteorological Office, Berkshire