6K7G, Tube 6K7G; Röhre 6K7G ID2700, Vacuum Pentode | Radiomuseum.org
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6K7G @ The Valve Museum
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78, Tube 78; Röhre 78 ID2734, Vacuum Pentode | Radiomuseum.org
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6K7G/GT
Motorola Model 8-80 (Golden Voice) Car-Radio Set Radio Service Data Sheet, July 1938 Radio-
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6K7 @ The Valve Museum
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6K7, Tube 6K7; Röhre 6K7 ID594, Vacuum Pentode | Radiomuseum.org
6K7G, Tube 6K7G; Röhre 6K7G ID2700, Vacuum Pentode | Radiomuseum.org
Mullard Valve Data
6K7G, EX MIL ZA3699, KTW62, KTW63, ARP15, NR31, CV1941, CV1100, VR100, – MULLARD MAGIC
Tube type list
Where can I get a list of vacuum tube prices in 1920-1950? I mean the price of vacuum tubes in that period, not the current prices for historical tubes. - Quora
