15.5mm symbol tube manufactured by Burroughs

The B-5999 is a clear glass end view nixie tube manufactured by Burroughs. It can display the plus and minus sign, the letters R,M,K,AC and the omega sign. Its likely that this tube was used in a digital multimeter or similar device.
Brand / Manfacturer Burroughs
Same Types
Likely Tyes
Symbol height in mm 15.5
Characters / Symbols +,-,R,M,K,AC,Ω
Decimal point none
Base / Socket SK-136
Starting Voltage (typ) 170V V
Maintaining Voltage (typ)  V
Current per Segment mA
Reccomend Resistor tested at 10kOhm @ 170V