Antique radios, Old Time Radios
REL21
| Base |
Wires
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| Was used by |
Radar |
| Filament |
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| Description |
Argon-mercury atmosphere spark-gap. Glass body; one electrode pin out from each end; side sealing tip. Production run by Rogers for Canadian REL.
Used as TR antenna switch in the BC-1188A, part of SCR-636A of the CHL system manufactured by REL for the surveillance of Panama Channel. Fully interchangeable with 10E/467 used by British in their CHL radar sets. Also used from mid 1942 in Admiralty Type 291 commercial shipboard warning set.
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Dimensions (WHD)
incl. pins / tip |
x 47 x 19 mm / x 1.85 x 0.75 inch |
| Information source |
Tube Lore (I)
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REL21: Manufacturer's Literature
Emilio Ciardiello
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