I have an old Graflok roll film adapter for 4x5 that is, like, 1,500 years old. I know I will never that capacity to use it. I have had ot for a year and I don't see it leaving anytime soon. Yeah, it's OK to toss unneededs. Good luck trying to carry through with it.
I find that I feel the need to rescue things from the dumpster. Hence, the 8x10 Century No. 7 studio camera on it's stand in my living room. The lights that came with it are in a different room. One of the lights plugs into a lens board and is usable with the camera, though I haven't figured out how to use it properly.
I also have some old Kodak ads, one of which is for IR film during WWII (I think).