Aneroid Barometer

Aneroid Barometer

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This is a small brass instrument, 1¾ inches diameter. The silvered face is marked “R. & J. BECK’S / FARMER’S / BAROMETER / 31 Cornhill / LONDON / 582.” The scale around the circumference of the face reads from 25 to 31 inches of mercury, in fifths of an inch. The back is marked “Signal Service / U.S. Army, / No. 17.” There is also a dark leather case. The U.S. Weather Bureau transferred it to the Smithsonian in 1954.
This was probably made after 1870, when the Signal Service was given charge of the national weather service.
R. & J. Beck was in business, as such, from 1865 to 1895, making and selling microscopes and other optical instruments. Although they sold aneroids, it is unlikely that they made them.
Currently not on view
Object Name
barometer, aneroid
date made
place made
United Kingdom: England, London
overall: 3/4 in x 1 3/4 in; 1.905 cm x 4.445 cm
overall in case: 1 3/16 in x 2 1/4 in x 2 1/2 in; 3.01625 cm x 5.715 cm x 6.35 cm
ID Number
accession number
catalog number
Credit Line
U.S. Weather Bureau
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History
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