via Rick:
"Analog synthesizers are about the only remaining descendants of analog computers.
Here is a couple of great pics:
Polish analog computer AKAT-1
(from http://en.wikipedia.org/wiki/Analog_computer)
Hitachi 240 Analog Computer
(from http://www.vaxman.de/my_machines/hitachi/240/240.html)
Cheers
Rick"
