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Radio-Special Micro Radio Valve Type E6, 20th Century

Inventory Number: 42700

42700-2t 42700-1t

Date: 20th Century

Maker Details: Unknown

Inscription: "RADIO-MICRO / SPECIAL / E6" printed on exterior surface of bulb.

Size: 100 mm in overall height (including base pins)

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

Other Given Number(s): Christie's 215.


Radio-Special Micro Radio Valve Type E6, in glass balloon envelope. With partially silvered upper surface, probably due to manufacturing process. Upon partially-ribbed black bakelite? base with four steel base pins.

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