There are a lot of these on youtube. Search some oldies but goodies. One good search term is “1950’s Educational Film”. Or try your own searches.
Here are some I found. Once again, I tried to make these clickable links, clicked on the “make html link”, entered the code and nothing happens, so you will have to copy and paste them into your own browser.
This guy has spent over 30 years trying to save old films, commercial, cartoons etc from the early days of television, mostly from the 50's and 60's.
He also collects old toys: