1B40

Country:	United States of America (USA)		Brand:	Sylvania Products Co. (Tubes)
			Tube type:	TR-switch

Tube ID = 29749


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Identical to	1B40

Base	Other combinations of connections
Filament
Description	External Cavity, 1KW at 1075 to 1096MHz. 'Electrodeless' discharge: the tube has the ground ring and a keep-alive electrode connection in the base. Made by Bomac and Sylvania.
Literature	-- Collector info (Sammler) Tube Lore, Sibley, USA 1996

Private collection
Emilio Ciardiello

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1B40

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