A few other characteristics came to mind that also help set it apart: I don't know if it was the first, or not, but something that might not be immediately obvious to some is that the Selectric had ...
While cleaning out the garage of an elderly friend who died recently, what did I find under a pile of 1967 Playboys but a typewriter. It wasn't just any typewriter but a vintage IBM Selectric II. I ...
Metal plating doesn't have much strength. If a plastic ball would be flattened, as I expect, a plated plastic ball would collapse just about as fast. Plus, I think you can only plate things that ...