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ID = 39365
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Full-Wave Vacuum Rectifier   Power-supply 
  Ca. 1925 up to 1945 rare.
Identical to GRDVII
Similar Tubes
Other class quality (otherwise equal):
  1805 ; RGN1064

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 1.1 Ampere / Direct / Specified voltage AC/DC

Special Quality type.
GRD stands for "Gemeentelijke Radio Distibutie", translated "Municipal Wired Radio". Used by Dutch PTT.

Dimensions (WHD)
incl. pins / tip
49 x 115 x mm / 1.93 x 4.53 x inch

grdvii_so.png GRDVII
Anonymous 10 Collector

Just Qvigstad
Usage in Models 1= 1938?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of



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