Catalogue
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Radio Valve Type ARP12, England, c. 1939
Inventory Number: 73031
Date: c. 1939
Maker Details: Unknown
Inscription: "B / ZA7023 / ARP12" printed on painted exterior surface of bulb.
Size: 95 mm in overall length (including top cap and base pins)
Materials: Glass, plastic?, steel.
Other Given Number(s): Christie's 216.
Notes:
Variable-Mu Screened Pentode Radio Valve (or Tube) Type ARP12, in printed speckled cardboard carton. Tube with white-painted (or screened) glass, single steel top cap and black plastic? base. With seven steel base pins and one black plastic? central base pin.
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