- 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.”
- Ref: Herbert Grove Dorsey, “Device for Graphically Reproducing Sound Waves,” U.S. Patent 1,017,392 (Feb. 13, 1912).
- Herbert Grove Dorsey, “The Phonelescope,” Journal of the Optical Society of America 6 (1922): 279-280.
- Currently not on view
- Object Name
- overall: 8 1/8 in x 3 7/8 in; 20.6375 cm x 9.8425 cm
- ID Number
- catalog number
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- See more items in
- Medicine and Science: Physical Sciences
- Data Source
- National Museum of American History
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