Ballon Meteorograph
notes: label: Description
content: Balloon meteorograph designed by S. P. Fergusson of the U.S. Weather Bureau in 1919. Three styli connected to a Bourdon barometer, a bimetallic thermometer, and hair hygrometer scribed readings onto a clockwork drum. Marked, "Friez Baltimore Reg. U.S. Patent Office." The internal mechanism is similar to an 1896 instrument made by Richard Brothers of Paris for American meteorologist Abbot Lawrence Rotch [1861-1912], founder and director of Blue Hill Observatory near Boston, Massachusetts. (See PH. 308209).
label: Description
content: J. L. Dubois, R. P. Multhauf, and C. A. Ziegler "The Invention and Development of the Radiosonde with A Catalog of Upper-Atmospheric Telemetering Probes in the National Museum of American History, Smithsonian Institution", p.12 (https://repository.si.edu/handle/10088/2453)
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.319822
label: catalog number
content: 319822
label: accession number
content: 240347
objectType: label: Object Name
content: meteorograph, balloon
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 4 in x 8 in; 8.89 cm x 10.16 cm x 20.32 cm
label: Measurements
content: overall: 3 1/2 in x 4 in x 8 in; 8.89 cm x 10.16 cm x 20.32 cm