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airplane radio telegraph transmiting set box

airplane radio telegraph transmiting set box

Connecticut Telephone and Electric Company
1918
Army radio transmitter - receiver RT 34 / APS-13

Army radio transmitter - receiver RT 34 / APS-13

General Electric Company
circa 1945
Army Signal Corps Radio Transmitter BC-375E with Tuner TU-6B

Army Signal Corps Radio Transmitter BC-375E with Tuner TU-6B

General Electric Company
circa 1945
Chaffee quenched spark gap radio transmitter

Chaffee quenched spark gap radio transmitter

Cutting and Washington Radio Corporation
1915-1916
Collins type T47 / ART13 radio transmitter

Collins type T47 / ART13 radio transmitter

Collins Radio Company
1942-1945
marine auxiliary radio transmitter

marine auxiliary radio transmitter

Telefunken
1908-1914
Radio transmitter, CR 1159 Wave Changer, 600J

Radio transmitter, CR 1159 Wave Changer, 600J

Cruft Laboratory, Harvard University
1915-1930
RCA ET-3619 AM / CW radio transmitter

RCA ET-3619 AM / CW radio transmitter

Radio Corporation of America
circa 1921
ring transmitter with 16 tubes

ring transmitter with 16 tubes

Cruft Laboratory, Harvard University
circa 1930
VHF spark gap transmitter with Ford-type induction coil

VHF spark gap transmitter with Ford-type induction coil

George Washington Pierce
1900-1920
Westinghouse tuning unit type TU-10-13

Westinghouse tuning unit type TU-10-13

Westinghouse Electric & Manufacturing Company
1944
WE type 8-B radio transmitter

WE type 8-B radio transmitter

Western Electric Company
1932
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The Collection of Historical Scientific Instruments
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