Aneroid Barograph
notes: label: Description
content: This recording aneroid barometer has an aluminum base, and glass and aluminum hood. The inscription reads “Signal Corps U.S. Army, Barograph ML3-A Serial 124. Made by Julien P. Friez & Sons, Baltimore, Md. U.S. Patent 2,165,744.”
label: Description
content: Ref: W. E. K. Middleton, <i>Catalog of Meteorological Instruments in the National Museum of History and Technology</i> (Washington, D.C., 1969), p. 31.
label: Description
content: William G. Bottinger, “Temperature Compensating Means for a Measuring Instrument,” U.S. Patent 2,165,744 (July 11, 1939).
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.316288
label: catalog number
content: 316288
label: accession number
content: 224382
label: patent number
content: 2165744
objectType: label: Object Name
content: barometer, recording aneroid
physicalDescription: label: Measurements
content: overall: 10 3/8 in x 13 1/8 in x 6 3/4 in; 26.3525 cm x 33.3375 cm x 17.145 cm