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ID = 13614
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Triode, vacuum   RF/IF-Stage 
Identical to 4607
Similar Tubes
Heater and shape different:

Base UV-Base (4 Pins+Bayonet, USA 1914 WE) (Codex=Bo)
Was used by Telephony
Filament Vf 2.1 Volts / If 1 Ampere / Direct

Va = 130V, Ia = 0.7mA, Vg = -1.6V, mu = 34
High-mu triode, usable both for RF and AF stages.

This tube shown in the Universal Vade-Mecum as having a UV base. As the tube is in the Philips Telephony range, this is most likely correct.

Dimensions (WHD)
incl. pins / tip
x 120 x 51 mm / x 4.72 x 2.01 inch
Information source Babani, International Radio Tube Encyclopaedia   p. 40 & 41
-- Original-techn. papers.   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

4607_so.png 4607: ARRL Handbook 1972
Anonymous 10 Collector

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Just Qvigstad
4607: Röhren-Handbuch 1995 Franzis-Verlag
Heinz Höger

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