I found this interesting square gas discharge tube on eBay. Based on the data sheet and the info that I can find on NEONIXIE-L, it appears to be an element of a large display. I can't find much more than the information below. When the shipment arrives, and I figure out how to drive them, I will post more photos and data.
The TubeClockDB / Tube Clock Database is a collection of nixie clocks, vfd clocks, vacuum fluorescent clocks, crt clocks, scope clocks and oscilloscope clocks. We will feature just about anything: fully assembled clocks ready to purchase, kits, or even individual nixie tubes. If there is something that you think would make this a better resource, please contact us.
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