Tube Museum ny.Final number: factor rely the amount of factors when you look at the hose.
Tube Museum ny.Final number: factor rely the amount of factors when you look at the hose. Primary multitude: filament voltage 0 cool cathode (e.g. voltage-regulator hose). 1 0.1 - 2.0 2 2.1 - 2.9 3 3.0 - 3.9 n n.0 - n.9 Letter or characters: string signal a couple of letters to point out the string laws. After solitary characteristics codes...