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ID = 85224
United States of America (USA)
Brand: Westinghouse El. & Mfg. Co. - see also Canadian W.
Tube type:  Transmitting Triode, air cooled   Power/Output 
Identical to WL469
Similar Tubes
Normally replaceable-slightly different:
Different connections:

Base Jumbo 4-pin bayonet (1918)
Was used by Transmittertube (Radio)
Filament Vf 10 Volts / If 3.25 Ampere / Direct

This tube was promoted as a successor the 211 for RF-heating use. It had the grid and plate leads bought out via the bottom of the bulb instead of through the stem, to reduce the risk of glass puncture. It was rated at 380 watts.

Dimensions (WHD)
incl. pins / tip
x 200 x 58 mm / x 7.87 x 2.28 inch
Information source Tube Lore (II)   p. 255

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