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Valve Gallery -
Rare And Unusual Valves (1) Valves:
Early Top Pip, CRC829 (VT-259), CRC832 (VT-118), CRC955 (VT-121).
 
| This site concentrates on the 1930s onwards, but
here is an early one as a degree of completeness. Valves from the
early 1920s looked like the above, with ebonised B4 base, with wires from
the internal electrodes visibly soldered onto the brass pins, and a
"top pip" to seal the glass envelope. Height 135mm. |
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Some of these descriptions are going to be a bit
vague, as mentioned these valves have been selected from my spares stock
on looks alone. Above is an RCA CRC 829, also given code VT-259. Height 112mm. Equivalent to 304TH. |
 
| Another of the same format, but somewhat
smaller. Again from RCA this is CRC 832, also coded as VT-118.
Height of 88mm. |
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Same envelope style again, but this time
tiny. RCA CRC 955, also coded as VT-121. Acorn triode from the
USA, just 32mm height. |
Continue to the next Rare
And Unusual Valves gallery page
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2005 AND BEYOND.
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