Salleron Solar Radiation Thermometer

This is a mercury-in-glass thermometer with a brass collar at the lower end of the tube. The milk-white scale is marked “Centigrade” and “J. Salleron 24 Rue Pavee (au Marais) Paris” and carries a scale extending from -20 to +82 degrees Centigrade. The protective glass tube is marked “1 26”. The signature refers to Jules Salleron, a prominent precision instrument maker in Paris. It came to the Smithsonian from the U.S. Weather Bureau.
Currently not on view
Object Name
Salleron solar radiation thermometer
date made
ca 1875-1897
Salleron, Jules
overall: 18 in; 45.72 cm
place made
France: Île-de-France, Paris
ID Number
catalog number
accession number
Measuring & Mapping
Thermometers and Hygrometers
See more items in
Medicine and Science: Physical Sciences
Thermometers and Hygrometers
Data Source
National Museum of American History, Kenneth E. Behring Center
Credit Line
U.S. Weather Bureau

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