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Hivac Radio Valve Type CV1052, by Hivac, England, Mid 20th Century

Inventory Number: 28126

Date: Mid 20th Century

Maker Details: Signed by Hivac.

Inscription: "HC / CV1052 / KB/D" painted on exterior surface of bulb. "10051 / MVA" printed on exterior surface of bulb."006529" printed on sticker on top part of exterior surface of bulb, and on base of tube.

Size: 105 mm in overall length (including top cap and base pins)

Materials: Glass, plastic?, steel, assorted metals.

Other Given Number(s): Christie's 216.


Hivac Audio Output Pentode Radio Valve (or Tube) Type CV1052, in plain cardboard carton. UK military service equivalent of EL32 valve but mounted on different base. Glass valve with single steel top cap and black plastic? base. With eight steel base pins and one black plastic? central base pin. One steel base pin missing. Lower part of valve blackened, probably due to use. Name and location of manufacture identified by CV code HC: Hivac and Chesham.

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