Are you aware that those short films and concession stand blurbs before movies (including drive-ins) are called “Snipes” and have been being made by since 1919 by a company called Filmack Studios?

http://www.chicagotribune.com/entertainment/movies/ct-mov-0125-filmack-snipes-20130125-story.html

If you are the proud owner of any old 16 or 35 mm films, keep them in archival containers to help prolong their
viewing health. https://www.bagsunlimited.com/category/880/canistersboxes