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Fleming-US_B22_03

Information - Aide 
ID = 89035
       
Pays:
Etats-Unis
Fabricant: Marconi Wireless Telegraph Co. of America
Type:  Signal Diode - one single system   Detector 
Identique à Fleming-US_B22_03

Culot Swan-Bajonett B22=22 mm Connexion latérale.
Utilisé par Radio/TV-reception etc.
Chauffage Direct / Battery =
Description

A series of Fleming valves were made at an unknown location in the US for the Marconi Wireless Telephone Co. of America. Most of these had B22 bayonet bases and a "flying lead" for the anode.

Dual trapezoidal plate, 33mm tubular American Marconi Fleming valve with a "flying lead" anode connection. While this valve is also very similar to the valve pictured in figure 24 in Tyne's 1943 Radio News chart it must be an earlier variation based on the filament support structure.

Diameter: 33mm
Length: 90-100mm (including top pip-seal and base)
Filament: Inverted V

 
Dimensions
(l x h x p)
incl.pins/tip
33 x 89 x 33 mm / 1.30 x 3.50 x 1.30 inch
Bibliographie Saga of the Vacuum Tube, Tyne   p. 47 & 48


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usa_american_marconi_fleming_dual_plate_133_7.jpg

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