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Professional Tube Tester 70

Professional Tube Tester 70; National Radio (ID = 1483653) Equipment Professional Tube Tester 70; National Radio (ID = 341998) Equipment
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Professional Tube Tester 70; National Radio (ID = 342001) Equipment Professional Tube Tester 70; National Radio (ID = 342002) Equipment
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Professional Tube Tester 70; National Radio (ID = 1483654) Equipment Professional Tube Tester 70; National Radio (ID = 1483655) Equipment
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Professional Tube Tester 70; National Radio (ID = 1483653) Equipment
National Radio: Professional Tube Tester 70 [Equipment] ID = 1483653 933x819
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For model Professional Tube Tester 70, National Radio Institute (NRI); Washington, DC:
By Courtesy Of EBAY User: richards*auction
 
Country:  United States of America (USA)
Manufacturer / Brand:  National Radio Institute (NRI); Washington, DC
Year: 1949 ? Category: Service- or Lab Equipment
Wave bands - without
Details
Power type and voltage Alternating Current supply (AC)
Loudspeaker - - No sound reproduction output.
Power out
from Radiomuseum.org Model: Professional Tube Tester 70 - National Radio Institute NRI;
Material Wooden case
Shape Tablemodel, with any shape - general.
Dimensions (WHD) 10.75 x 6.375 x 10.75 inch / 273 x 162 x 273 mm
Notes Eight valve holders, manual test voltage adjustment, neon lamp for short tests, one instrument.
Source of data -- Collector info (Sammler)

Model page created by Gottfried Silberhorn. See "Data change" for further contributors.



All listed radios etc. from National Radio Institute (NRI); Washington, DC
Here you find 19 models, 19 with images and 6 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.




  
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