There’s a category of Youtube channel dedicated to fixing up old mostly public-domain videos from Prelinger and similar archives and making them available to broad audiences. Jeff Quitney is one of the best at this along with Bel99TV and PeriscopeFilm.
Here’s a little bit of 1965 techno-cool courtesy of Xerox Corporation.
Via The Handy(Jam) channel at the Internet Archive.
(Link updated 3/22/19 after the deletion of Jeff Quitney’s Youtube Channel)