20mm numeric tube manufactured by STC

The G10/200E is a numeric end view nixie tube manufactured by STC. It has black shrink tube around the body for better contrast. These tube is very rare because the digits are either hand formed or made by very early machinery, all digits are "unique" shaped. Possibly one of the first nixie tubes manufactured by STC
Same Types
Likely Tyes
Symbol height (mm)20
Decimal pointnone
Starting Voltage (typ)tested at 180V, 10kOhm V
Maintaining Voltage (typ)0 V
Current per Segment0mA
Reccomend Resistor0