Hygrometer (Thermometer and Humidity) 75mm face diameter, 116mm base dia.
HYGROMETER 75mm FACE single lug hinging front.
75mm diameter face, and a 116mm diameter base, mounted in a porthole styled solid chromed brass case with bevelled glass front.
The hygrometer is a combination of humidity and thermometer on the one face.
Mounted in a solid brass porthole style with bevelled glass front.
Matches all our 75mm porthole style clock barometer products.