Antique radios, Old Time Radios
ACDDT
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Country:
Great Britain (UK)
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| Identical to |
ACDDT
= MHD4
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| Base |
British-7-Pin, old (M7A)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Indirect |
| Information source |
History of the British Radio Valve to 1940 p. 139 & 179
Wireless World (The), London (WW, 79) November 22, 1935
Babani, International Radio Tube Encyclopaedia
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
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Just Qvigstad
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on a radio model page. You will find thousands
of tubes or valves with interesting links. You
even can look up radio models with a certain tube
line up.
[rmxtube-en]
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