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V24

Information - Help 
ID = 18993
       
Country:
Great Britain (UK)
Brand:
Developer: Ediswan, Siemens Edison Swan Electric Co.; London 
Tube type:  Triode, vacuum   Universal 
  <1925 very rare. ***
Identical to V24 = UM-103A
Similar Tubes
Normally replaceable-slightly different:
  VT29_GPO
Heater different:
  DEV
First year 1916 Saga of the Vacuumtube, Tyne page 223, 224
Successor Tubes DEV  

Base SPECIAL TUBEBASE in general
Was used by Military and/or Government
Filament Vf 5.2 Volts / If 0.75 Ampere / Direct / Battery =
Description

Va= 24-50 V. Various technical differences in tubes made from 1919 to 1925, for example filament tension springs. First made by Osram Lamp Works October 1919. British Navy version NR9. Mullard version S3. Some MOV V24 tubes exist with a painted part of the lower end of the bulb. This can be either orange, frosted, green or blue and was a "color coding" to identify certain users.

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
18 x 73 x mm / 0.71 x 2.87 x inch
Weight 12 g / 0.42 oz
Tube prices 13 Tube prices (visible for members only)
Literature Saga of the Vacuumtube, Tyne   1925 Brown Brothers Catalog 217
British Radio Valves - The Vintage Years, Thrower   as per advert in "The Wireless World and Radio Rev
  v24_app.png
  V24
Emilio Ciardiello
 
v24.jpg
V24: J.A.
John Albion

 
v24dev1.png
V24: own collection
Peter den Boer


Usage in Models 1= 1916? ; 1= 1917? ; 1= 1917 ; 1= 1918?? ; 3= 1920?? ; 1= 1922?? ; 14= 1922 ; 6= 1923 ; 1= 1924?? ; 1= 1925??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):30


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