Catalogue
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Osram Radio Valve Type P2, by Osram Company, England, 20th Century
Inventory Number: 57431
Date: 20th Century
Maker Details: Signed by Osram.
Inscription: "MADE IN ENGLAND / P2 / PATENTED" printed on top exterior surface of bulb. "OSRAM / BVA" printed on transfer stuck onto exterior surface of valve.
Size: 105 mm in overall length (including base pins)
Materials: Glass, bakelite?, steel, assorted metals.
Other Given Number(s): Christie's 215.
Notes:
Osram Radio Valve Type P2, in glass balloon envelope. Upon polished black bakelite? base with four steel base pins. Previously catalogued with assorted other valves.
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