Beck Pocket Aneroid Barometer

This small brass instrument, 2½ inches diameter, was owned by Spencer Baird, the second Secretary of the Smithsonian Institution. The silvered face is marked: R. & J. Beck / London, with serial number 516. The pressure scale around the circumference of the face extends from 15 to 31 inches of mercury. The altitude scale extends from 0 to 18,000 feet. The instrument is stored in a round, red leather case.
R. & J. Beck was in business, as such, from 1865 to 1895.
Currently not on view
Object Name
barometer, aneroid
date made
R. & J. Beck
overall: 2.3 cm x 6.2 cm; 29/32 in x 2 7/16 in
place made
United Kingdom: England, London
ID Number
accession number
catalog number
Measuring & Mapping
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History, Kenneth E. Behring Center

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