30mm symbol tube manufactured by Mullard

The ZM1041 is a special character indicator tube with red coating for better contrast. The character height of 30mm makes this tube a companion to numerical indicators like the ZM1040. Its a rare tube, beause it was produced in less numbers as the numerical indicators. This tube was also manufactured by Philips, Tesla and Valvo.
Same Types
Likely Tyes
Symbol height (mm)30
Decimal pointnone
Starting Voltage (typ)170 V
Maintaining Voltage (typ)140 V
Current per Segment4.5mA
Reccomend Resistor6.8kOhm = 4.5mA