De Forest Singing Arc Type Radiophone Transmitter, 1907
THF156578 / De Forest Singing Arc Type Radiophone Transmitter, 1907
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Artifact Overview
Lee de Forest was a telecommunications inventor, responsible for the Audion vacuum tube. In 1907, his "radiophone" allowed phonograph music and human voice to broadcast wirelessly. The device used a "singing arc" to generate radio carrier signals. The US Navy purchased six radiotelephones for installation on the Great White Fleet. This is one of the earliest radiotelephones made by de Forest.
Artifact Details
Artifact
Radiophone
Date Made
1907
Creators
Place of Creation
Location
Not on exhibit to the public.
Object ID
40.581.6
Credit
From the Collections of The Henry Ford.
Material
Brass (Alloy)
Iron alloy
Nickel (Metal)
Rubber (Material)
Wood (Plant material)
Dimensions
Height: 17.5 in
Width: 12.5 in
Length: 17 in
Inscriptions
top, plaque:
De Forest Radio-Telephone System
Pats. No. 836015, 803199, 803513, 850917 and Other Patents
No. D-60
The Radio-Telephone Co. New York, U.S.A.
top, plaque:
Transmitter
Radio Telephone
Swinging Arc Type
1907
Keywords |
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