Mercury Barometer

Mercury Barometer

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Description
Over the years, enormous ingenuity has been directed to the problem of designing a barometer that could be safely moved from one place to another. One solution was to have the cistern full during transport, and mechanically expanded to a proper size for actual use. This example is of that sort. The “Tonnelot à Paris” inscription refers to Jules Tonnelot, a Parisian who showed his meteorological instruments at the international exhibitions held in 1878, 1889 and 1900.
Location
Currently not on view
Object Name
Mercury Barometer
maker
Tonnelot, Jules
place made
France: Île-de-France, Paris
Measurements
overall: 35 in; 88.9 cm
overall: 36 5/8 in x 3 7/8 in; 93.0275 cm x 9.8425 cm
ID Number
PH.308187
accession number
70852
catalog number
308187
Credit Line
U.S. Signal Corps
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Barometers
Data Source
National Museum of American History
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