Jenkins model 202 "Radiovisor" television receiver

Jenkins model 202 "Radiovisor" television receiver

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Description (Brief)
Early mechanical television set, Jenkins "Radiovisor" - drum type scanner. Serial number 225, tagged Dumont Research Division E 1295. Unit is a table model television receiver designed for mechanical scanning, 48 lines, 15 pictures per second. Synchronizing is accomplished by operating the same 60 cycle power system as that supplying the transmitter. Scanning is accomplished with a drum and shutter-disc system. The model 202 was designed for use with a standard shortwave receiver covering the television band from 100-150 meters and was provided with a power amplifier. The neon glow lamp in this unit is a De Forest Vision 601. The cabinet front contains a shadow box lens system permitting the viewing of enlarged images. The control panel contains two toggle switches. One throws the receiver to Speaker for tuning in radio signals or to Picture for viewing. The second switch controls the motor and also serves for vertical framing of pictures. The model 202 sold for $395 in a walnut cabinet.
Location
Currently not on view
Object Name
Television receiver
mechanical television receiver
Date made
c. 1929
date made
ca 1929
ca. 1929
1930
maker
Jenkins Television Corporation
Measurements
overall: 22 1/2 in x 11 1/2 in x 20 in; 57.15 cm x 29.21 cm x 50.8 cm
ID Number
EM.327756
accession number
270106
catalog number
327756
Credit Line
from Ethel DuMont
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Work and Industry: Electricity
Data Source
National Museum of American History
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