10mm symbol tube manufactured by Dolam

The LL-561 is a clear glass symbol tube manufactured by Dolam. It can display the plus sign, minus sign and a triangle symbol
Brand / Manfacturer Dolam
Same Types
Likely Tyes
Symbol height in mm 10
Characters / Symbols +,-,triangle
Decimal point none
Base / Socket 0
Starting Voltage (typ) 170 V
Maintaining Voltage (typ) 150 V
Current per Segment 2mA
Reccomend Resistor 10kOhm = 2mA