35mm numeric tube manufactured by Rodan

The CD12 is a very rare clear glass numeric nixie tube manufactured by Rodan.
Brand / Manfacturer Rodan
Same Types
Likely Tyes
Symbol height in mm 35
Characters / Symbols 0-9
Decimal point none
Base / Socket TSB-12P
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 0 V
Current per Segment 6.5mA
Reccomend Resistor 0


Some digits did not work, possible mechanical damage since something rattles in the tube.