Hygrometer (Thermometer and Humidity) 90mm face dia., 140mm base dia.
Hygrometer 90mm face single lug hinging front.
90mm diameter face, and 140mm diameter base, mounted in a porthole style 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 90mm porthole style clock barometer products.