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Electronics

A McGraw-Hill Publication

Periodical   Volume 2Number 9September 1931

us_electronics_september_1931_titl.jpg us_electronics_september_1931_inh.jpg
created by: Achim Dassow (28.Nov.19) available by: Achim Dassow
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Some example model pages for sets you can see there:

USA: Webster Co., The, V-81 (1931??)

Some example tube pages for sets you can see there:

Transmitting Triode, air 551_DeForest

  

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