On 11/2/2021 8:20 PM, [email protected] wrote:
Them ain't no nixies. That's all I know.

Wayne
WB4OGM

They look like Numitrons. 5vdc firmaments for each segment.

Like in my Thermo Numitron Clock https://wiki.rodaw.com/wiki/Thermo_Numitron_Clock    :-)

File:ThermoNumitronClockWithUWP.JPG



 - Jeff


--
Jeff Albrecht KF7CRU @jhalbrecht