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'60s Vintage Vacuum Tube Catalogs from Poland

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Keri Szafir:
For your enjoyment - we had a few good ones! All data, no bullshit.

TimFox:
I have two editions of the Polish book.  My go-to reference was re-printed by a German vendor under the title "Electronic Universal Vade-Mecum" (original publication date not shown).
My favorite bit is from the Magic-Eye Tube section:  see the illustrations for file 387.
The patterns for different tubes are referenced to a slide-rule receiver frequency dial, with marks for "Warszawa", "Geneve", and "Mockba" transmissions.
From the sketches of the eye pattern, "Geneve" is obviously the desired station.

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