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Osram Radio Valve Type P2, by Osram Company, England, 20th Century

Inventory Number: 57431

57431-1t 57431-2t


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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