Antique radios, Old Time Radios
UF21
Country:
Netherlands
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Identical to |
UF21
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Similar
Tubes |
Other base:
UF9
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First year |
1941
Tube leaflet collection E.Erb Analysis by original leaflets (P11)
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First Source
(s) |
May.1941 : Radio-Mentor # 5
Feb.1941 : Daten und Schaltungen moderner ... Röhren; Philips # 3
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Successor Tubes
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UF41
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