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Electronics

A McGraw-Hill Publication

Periodical   Volume 2Number 4April 1931

us_electronics_april_1931_titl.jpg us_electronics_april_1931_inh.jpg
created by: Achim Dassow (25.Nov.19) available by: Achim Dassow
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Some example model pages for sets you can see there:

USA: Webster Electric Webster Model 6032-A (1931??)

Some example tube pages for sets you can see there:

Vacuum Pentode PZ
Transmitting Triode, air 571_deforest

  

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