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VT13A

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ID = 60080
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Transmitting Triode, air cooled 
  <1925 very rare. ***
Identical to VT13A
Similar Tubes
Normally replaceable-slightly different:
  VT13B ; VT13C

Base L4 British large 4 pin (1922, LG4)
Was used by Military and/or Government
Filament Direct / Specified voltage AC/DC
Description

One of the first tubes designed to use the British L4 base. Mullard was one company making these tubes.

 
Dimensions (WHD)
incl. pins / tip
55 x 123 x mm / 2.17 x 4.84 x inch
Information source British Radio Valves - The Vintage Years: 1904-1925   Page132

l4_based_triode~~18.png VT13A: Fin Stewart
Fin Stewart


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