Antique radios, Old Time Radios
WR1
Country:
Great Britain (UK)
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Identical to |
WR1
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Similar
Tubes |
Other characteristic (electr. data):
WR2
Heater different:
W1_Cossor
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First year |
May.1925
Saga of the Vacuum Tube, Tyne page 375, 376
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First Source
(s) |
1925 : British Radio Valves - The Vintage Years: 1904-1925 p.49
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Predecessor Tubes |
A_Cossor
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