Found this on the LECTRA-SCOPE....as I thought. I don't think I'll be using that.
Anybody using an old J.C. Whitney "Lectra Scope"?
In the late 50s/early 60s, J.C. Whitney offered a dash mounted "gauge" called the "Lectra Scope". As I recall it included 8 neon bulbs in a circle that...
www.jalopyjournal.com