The very old machine that they have in the museum is the minicomputer PDP 7 produced by Digital Equipment corporation. It's very interesting as a minicomputer but it is as big as a whole cubicle. The machine accordingly was introduced in 1965. The one in the museum was commissioned from the University of Oregon used by scientists and physicists. It is almost back in it's working condition.
The museum really gave life to the old systems and machines. If you like technology and computers, this place is really very interesting. I am just sharing here one of the old Apple computer and progression of Windows computers.
Apple Macintosh computer.
Windows 8 - Microsoft Surface
These are only few of the computers being displayed in that museum. The good thing is you can try it out there including those that are very, very old machines, and even play games like the old Congo Bungo, Donkey Kong, and some Atari games. It is an interactive museum and very interesting one.