A vector graphics workstation from the 1970s
A Tektronix 4051 from 1975 with a graphic display using the same technology as arcade games like Asteroids and Battlezone.
Designed for researchers, analysts, and physicians, this machine cost the modern equivalent of $36,000 at the time. It was used in several movies and TV shows, including Battlestar Galactica, because the vector screen didn't flicker when filmed the way a traditional CRT would.
The author of this blog has one, and brought it back to life, documenting the process.
