Antique radios, Old Time Radios
LT_Marconi
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Country:
Great Britain (UK)
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| Identical to |
LT_Marconi
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| Base |
Europe 3-Pin B3 (Eu H)
Top contact with a cap.
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| Was used by |
Radio/TV-reception etc. |
| Filament |
Direct |
| Description |
This tube was designed by Henry J Round for the Marconi Wireless Telegraph Co. The anode of this tube is nearly as wide as the bulb. It has small protrusions in both top and bottom of the anode to act as a spacer. This is possibly to avoid damage during vibration. The anode is connected to the top cap. It had Patent Pending No 28418-18
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| Information source |
-- Collector info (Sammler)
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Just Qvigstad
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