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AR2volt_MOV

Information - Aide 
ID = 57573
       
Pays:
Royaume Uni
Fabricant: MO Valve Co. Ltd.; GB
Type:  Triode, vacuum 
  <1925 très rare
Identique à AR2volt_MOV

Culot IS-2 (Interservice, UK 1918)
Utilisé par Militaire et/ou Services Publics
Chauffage Vf 2 Volt / If 0.4 Ampère / Direct
Description Made for the British Army. This base used for this tube was the IS-2. This base was a molded ebonite "box" which had two square contacts on the bottom for the filament and a long side contact on each side for the anode and grid. The square studs measured 3.4mm x 4.7mm. The tube was also made with the IS-4 base (see photos). This was also an ebonite "box", somewhat bigger than the IS-2 base. It had four round stud pins, each 6mm x 7mm diameter. Two were on the bottom for the filament and one on each side for the anode and grid connections. Also made by Ediswan. The designer of these two bases is not known. 
Dimensions
(l x h x p)
incl.pins/tip
35 x 86 x mm / 1.38 x 3.39 x inch
Bibliographie British Radio Valves - The Vintage Years: 1904-1925   Pages 45 & 86

Collection de

 
ar2volt_is_2.jpg

AR2volt_MOV
 

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