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VT13B

Information - Help 
ID = 30725
       
Country:
Great Britain (UK)
Brand: Ediswan, Siemens Edison Swan Electric Co.; London
Tube type:  Triode, vacuum 
  <1925 very rare. ***
Identical to VT13B
Similar Tubes
Normally replaceable-slightly different:
  VT13A ; VT13C

Base L4 British large 4 pin (1922, LG4)
Was used by Military and/or Government
Filament Direct
Dimensions (WHD)
incl. pins / tip
56 x 110 x mm / 2.20 x 4.33 x inch
Weight 90 g / 3.17 oz
Information source -- Original-techn. papers.   
 
vt13b001.jpg
VT13B: Sammlung GJ
Anonymous 544 Collector

 
l4_based_triode~~8.png
VT13B: Fin Stewart
Fin Stewart

 

from Just Qvigstad


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