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Antique Radio Forums • View topic - 1947 Admiral Briefcase Radio 7P33 Chassis 5h1 questions
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RCA 1R5 Tube, Tested Good, Made in USA | eBay
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1R5, Tube 1R5; Röhre 1R5 ID428, Pentagrid-Converter (Heptode | Radiomuseum.org
5 3-tubes superheterodyne Radio | Details | Hackaday.io
Tutta Elettronica di A. Capponi
1R5 - doctsf.com, base documentaire lampes (tubes)
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ElectronTubeStore.com
Tutta Elettronica di A. Capponi
RCA 1R5 Vacuum Tube NOS Mint Condition Original Box - Etsy Denmark
