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History of the manufacturer  

Radio and Television Institute; Chicago (IL)

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Name: Radio and Television Institute; Chicago (IL)    (USA)  
alternative name:
RTI
Abbreviation: radioandte
Products: Model types Others
Summary:

Radio and Television Institute Inc., Saint Anthony Court, Chicago, Illinois. Institute for home training and study, known as publisher of courses and manufacturer of measurement equipment like tube testers at the end of the 1920ies and in the 1930ies. Label RTI.

History:

This manufacturer was suggested by Wolfgang Scheida.


Some models:
Country Year Name 1st Tube Notes
USA  30 Tester   Three valve holders, two Volt-meters and one Ampere-meter, also useable as multimeter up t... 

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