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ID = 64464
Great Britain (UK)
Brand: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Tube type:  Ionisation or Vacuum Gauge 
Identical to M130/1D
First year Jan.1963 - - Manufacturers Literature Provisional data release

Base Octal (Int.Octal, IO) K8A, USA 1935
Was used by Technology / Measurement
Filament Vf 7 Volts / Direct

Pressure range 10-1 to 10-3 Torr.

Nominal filament resistance 125 ohm.

Dimensions (WHD)
incl. pins / tip
33 x 147 x mm / 1.30 x 5.79 x inch
Weight 35 g / 1.23 oz
Literature - - Manufacturers Literature   November 1962 data sheets

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