Antique radios, Old Time Radios
RO4010
Country:
France
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Identical to |
RO4010
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Similar
Tubes |
Normally replaceable-slightly different:
A410N
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First year |
1928
Saga of the Vacuum Tube, Tyne page 403
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First Source
(s) |
Mar.1930 : L'Histoire Singulière du Tube Radio; G. Duperray 2009
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