13mm symbol tube manufactured by Dolam

The LL-556 is a clear glass symbol nixie tube manufactured by Dolam. It can display various alphabetic letters and a triangle.
Brand / Manfacturer Dolam
Same Types
Likely Tyes
Symbol height in mm 13
Characters / Symbols G,M,P,S,U, triangle
Decimal point none
Base / Socket B13B
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 140 V
Current per Segment 2.25mA
Reccomend Resistor 12kOhm @ 170V