Peirce Gravity Pendulum

Description
This is the invariable (but not reversible) pendulum designed by Charles Sanders Peirce, and produced by the U.S. Coast and Geodetic Survey in the early 1880s.
Ref: Victor Lenzen and Robert Multhauf, "Development of Gravity Pendulums in the 19th Century," United States National Museum Bulletin 240 (1965): 301-348.
E. D. Preston, "Determinations of Gravity and the Magnetic Elements in Connection with the United States Expedition to the West Coast of Africa, 1889-90," Report of the Superintendent of the U.S. Coast and Geodetic Survey for 1889-90, Appendix 12, plate 58, fig. I.
Location
Currently not on view
date made
ca 1881
Measurements
overall: 54 in x 2 1/2 in; 137.16 cm x 6.35 cm
ID Number
PH.316503
accession number
225703
catalog number
316503
Credit Line
U.S. Coast and Geodetic Survey
subject
U.S. Coast & Geodetic Survey
See more items in
Medicine and Science: Physical Sciences
Measuring & Mapping
Data Source
National Museum of American History, Kenneth E. Behring Center

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