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ID = 36426
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Tube type:  Thyratron Cold-cathode 
Identical to VX8098 = Z800U

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament --/--
Description Cold Cathode Trigger tube. Experimental production tube.
This is NOT the M8098 (Special Quality 85A2) stabiliser tube quoted in some sources - including official documents!
From investigating the coding on this and on a range of Z80nU/W tubes, it is confirmed as the Z800U since these have identical codes and internal structure. 
Dimensions (WHD)
incl. pins / tip
20 x 41 x mm / 0.79 x 1.61 x inch
Weight 7 g / 0.25 oz
Information source - - Data from my own collection   

Just Qvigstad

Collection of



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