Whirling psychrometer, by Negretti & Zambra, thermometer marked EB2578, dated [1920 to 1940]. Wet and dry bulb fahrenheit mercury-in-glass thermometers, with instructions for use on reverse of frame
Details
- Category:
- Meteorology
- Object Number:
- 1995-931
- Measurements:
-
frame: 36.7 cm
- type:
- psychrometer
- credit:
- Meteorological Office, Berkshire