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ID = 27368
Brand: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto
Developer: Rogers-Majestic, Standard Radio Manufacturing, Rogers Radio Tubes; Toronto 
Tube type:  Triode, vacuum   Universal 
  Late but very rare. ***
Identical to 32_Rogers
First Source (s)
26.Aug.1925 : Saga of the Vacuum Tube, Tyne p.349

Base UX-Base (4 Pins (2 thick, USA 1924, UX) 2 Top contacts.
Was used by Radio/TV-reception etc.
Filament Indirect

for "Batteryless Receivers". Overhead terminals for filament (top pins) allowed conversion of battery receivers to mains supplied ones without wiring modification. Further the distant AC wires did not easily couple hum into the circuitry.

Dimensions (WHD)
incl. pins / tip
41 x 126 x mm / 1.61 x 4.96 x inch
Weight 60 g / 2.12 oz
32_Rogers: My Collection
Bruce Morgenstern

32_Rogers: modified drawing from NRI Radio-Trician tube chart June 1930
Matt Endicott


from Just Qvigstad

Usage in Models 4= 1925 ; 2= 1926 ; 8= 1927 ; 4= 1928 ; 6= 1929?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):24

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