Oh, I know they do. And it doesn’t really matter, in the sense that letterpress is now only used for short runs, with litho plates, which I think are harder than type metal. I think what distressed my printing teacher was that people just assume this is what letterpress is, and expect the effect even on blocks of text, despite how dumb that looks. Plus, we actually did use movable type, and you really have to pay attention to platen pressure to make that work.
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