Two ordinary mercury-in-glass centigrade thermometers

Made:
Bonn

Two ordinary mercury-in-glass centigrade thermometers, signed Dr H. Geissler, Bonn, and marked in Cyrillic T.0.O. No.244 [........]. Scale -45 to 47 degrees

Details

Category:
Meteorology
Object Number:
1995-975
Materials:
glass, mercury, brass and plastic
Measurements:
overall: 37.2 cm
type:
thermometer
credit:
Meteorological Office, Berkshire