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Marconi Radio Valve Type FE2, by Marconi Company, London, c. 1922

Inventory Number: 92775

92775-1t 15771-18833-33191-35245-74920-92775-1t 15771-18833-33191-35245-74920-92775-2t 92775-2t

Date: c. 1922

Maker Details: Attributed to Marconi-Osram Valve Co. Ltd.

Inscription: "5 RR11FA / 30" stamped on exterior surface of bulb.

Size: 75 mm in overall length

Materials: Glass, nickel?, assorted metals.

Other Given Number(s): Christie's 197.


Marconi Radio Valve Type FE2 (Four Electrode 2), in thin glass envelope with nickel-plated? caps. With cylindrical band mesh lattice surrounded by additional cylindrical mesh lattice. Uses positive tension to draw electrons to anode. Previously catalogued with five other valves: Marconi Type Q Valve (Inv. Num. 33191), Marconi Type V24 Valve (Inv. Num. 35245), Marconi DEV Valve (Inv. Num. 15771), Marconi DEQ Valve (Inv. Num. 74920), Mullard ORA/B Valve (Inv. Num. 18833).

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