Though this video isn't among them, the Prelinger Archives at The Internet Archive have a thousands of public domain videos— many are educational videos from th

Though this video isn't among them, the Prelinger Archives at The Internet Archive have a thousands of public domain videos— many are educational videos from this era. They've got a streaming preview player but you can easily download larger versions directly, or torrent them if you want to save Brewster a bit of bandwidth. https://archive.org/details/prelinger https://archive.org/details/prelinger