Antique radios, Old Time Radios
Z521M
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| Tube type: |
Numerals- and Symbols indicating tube |
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| Identical to |
Z521M
= ZM1021
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| First Source
(s) |
Oct.1963 : - - Manufacturers Literature Radiotechnique Memento tubes 10/1963
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| Filament |
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| Information source |
- - Manufacturers Literature Radiotechnique Memento tubes 10/1963
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Z521M: Radiotechnique Memento tubes 10/1963
Patrice Zeissloff
More ...
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Z521M: Radiotechnique Memento tubes 10/1963
Patrice Zeissloff
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Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
Collection of
Collection of a member from D |
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