Phonelescope
notes: label: Description
content: This instrument, which allows one to see the wave forms of sound or electricity, was devised by Herbert Grove Dorsey (1876-1961), an American physicist and engineer. The inscription, in raised letters on the base, reads “PHONELESCOPE.”
label: Description
content: Ref: Herbert Grove Dorsey, “Device for Graphically Reproducing Sound Waves,” U.S. Patent 1,017,392 (Feb. 13, 1912).
label: Description
content: Herbert Grove Dorsey, “The Phonelescope,” <i>Journal of the Optical Society of America</i> 6 (1922): 279-280.
label: Location
content: Currently not on view
setName: label: See more items in
content: Medicine and Science: Physical Sciences
creditLine: label: Credit Line
content: U.S. Military Academy
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: PH.315653
label: catalog number
content: 315653
label: accession number
content: 217544
objectType: label: Object Name
content: phonelescope
physicalDescription: label: Measurements
content: overall: 8 1/8 in x 3 7/8 in; 20.6375 cm x 9.8425 cm