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ID = 28910
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Triode, vacuum   Audio Frequency 
  <1925 very rare. ***
Identical to VT32 = VT32B = 4102D
Similar Tubes
Normally replaceable-slightly different:
  102D ; 3A/142AY ; SY4102D

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Was used by Telephony
Filament Vf 4 Volts / If 1 Ampere / Direct / Parallel / series AC/DC

British Post Office name for the 4102D. Based on the WE 102D.
Initially manufactured in the UK by British Western Electric which became Standard Telephones and Cables.
The VT32 specification was later divided into VT32B and VT32D, equivalent to the STC 4102D (later designated CV1640)and 4102E (later designated CV1641)respectively.

Dimensions (WHD)
incl. pins / tip
59 x 109 x mm / 2.32 x 4.29 x inch
Weight 58 g / 2.05 oz
Information source Saga of the Vacuum Tube, Tyne   page 367, 369
VT32: foto valvola della propria collezione
Antonio Varrica

VT32: rtt
Michael Schlör


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