Original IBM Tech Support Customer Service Training Film 1971: IBM 3505B & 3525 Punch Card Subsystems for IBM 370 mainframe. Customer Engineer training course shows detailed hardware inside the punch card machines, and describes how they are serviced by IBM. IBM Minneapolis, Minnesota is location. Color film, partially restored. Rare close-up views of inside the punch card machines. Runs 15 mins.
See also:
YouTube Video of IBM 3525 by “Uniservo”
https://www.youtube.com/watch?v=Z34MdA9rzVI
IBM System/370 Announcement film, Computer History Archives Project
https://youtu.be/C0gjiHEvHf8
2k and 4k Stock Footage available from Periscope Film
http://www.periscopefilm.com