I have my dad's old Pentax camera and accessories, as well as a Super 8mm film camera, unused film cannisters, and a projector with a screen. It's all still functional, and I could still film stuff with the 8mm. I could use the Pentax but I would need to go out of my way to get film for it. Shit probably costs way more now than it did when I first got into photography.
I also still have one of those CD/DVD repair things. Put a scratched CD in, run it, and it smooths out the scratches and, most of the time, makes an unplayable disc perfectly fine again.
My wife has her old Canon with a few nice lenses. It probably wouldn't be super hard to convert it to digital, I've seen projects like that on Hackaday.
Analog photography is also on a bit of a resurgence. As long as it takes 35mm film there shouldn't be any issues getting film or having it developed somewhere (apart from the high prices).
It's become a bit of a hobby for me lately. Analog photography requires more commitment when taking pictures and the images also have this lovely analog aesthetic. In a weird way it's also fun to have to wait until you see your images. Once you're finally through a roll and have it developed, you're taken back to all the memories you've photographed in the past weeks/months.