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Tube Tester 361-B

Tube Tester 361-B; General Radio (ID = 757628) Equipment
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Tube Tester 361-B; General Radio (ID = 757628) Equipment
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Country:  United States of America (USA)
Manufacturer / Brand:  General Radio Company; Cambridge (MA)
alternative name
Year: 1926 ? Category: Service- or Lab Equipment
Wave bands - without
Power type and voltage Storage and/or dry batteries
Loudspeaker - - No sound reproduction output.
Power out
from Model: Tube Tester 361-B - General Radio Company;
Notes The schematic shows four different circuits to determine several tube characteristics (amplification, plate resistance etc.).
External source of data Ernst Erb
Circuit diagram reference Rider's Perpetual, Volume 1 = 1931/1934 (for 1919-1931)

All listed radios etc. from General Radio Company; Cambridge (MA)
Here you find 211 models, 194 with images and 81 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.