Antique radios, Old Time Radios
35T_gauge
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Country:
United States of America (USA)
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| Identical to |
35T_gauge
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| Predecessor Tubes |
35T
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| Base |
UX-Base (4 Pins (2 thick, USA 1924, UX)
Top contact with a cap.
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| Was used by |
Technology / Measurement |
| Filament |
Direct |
| Description |
Electrode structure similar to the one of the 35T. 1/2" glass tubulation from the side of the bulb.
Ionization gauges were used to measure high-vacuum. Plate was biased slightly negative while positive biased grid attracted ionized gas molecules of gas inside the bulb.
The sample has a 1945 date code on the bottom of the ceramic base.
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| Information source |
-- Collector info (Sammler)
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Just Qvigstad
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Collection of
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