Salleron Solar Radiation Thermometer

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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
date made
ca 1875-1897
Salleron, Jules
place made
France: Île-de-France, Paris
overall: 18 in; 45.72 cm
overall: 18 1/2 in x 1 3/4 in; 46.99 cm x 4.445 cm
ID Number
catalog number
accession number
Credit Line
U.S. Weather Bureau
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Medicine and Science: Physical Sciences
Measuring & Mapping
Thermometers and Hygrometers
Data Source
National Museum of American History