Category:3NF
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early combination tube (three triodes)  | |||||
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Media in category "3NF"
The following 8 files are in this category, out of 8 total.
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1926 Local receiver OE 333.jpg 2,105 × 1,535; 838 KB
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3NF-integrCircuit.jpg 370 × 354; 25 KB
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Detektor Empfaenger mit Verstärkerroehre ArM.jpg 1,468 × 1,426; 1.11 MB
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Detektor Empfaenger mit Verstärkerroehre-1.jpg 1,413 × 1,445; 529 KB
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Detektor Empfaenger mit Verstärkerroehre.jpg 1,488 × 1,445; 239 KB
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German Museum of Technology, Berlin 2017 016.jpg 3,456 × 5,184; 10.66 MB
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Loewe 1931 vacuum tube.JPG 3,008 × 2,000; 2.68 MB
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Loewe Dreifachröhre 3NF,1926.jpeg 1,600 × 1,200; 285 KB
