I used a Model B Executive for a few years as my
Superb text quality; good enough for publication. They were available
in several type styles and sizes. Can easily be distinguished by the
split space bar.
There also was a version of the tape station for the MT/ST that could be
used as a S/370 peripheral. Probably not very common.
Probably the oddest machine I ever saw with a typewriter on it was a
machine with a card reader and I think a model A? connected to it and it
would type out what was punched into the cards.?? I was told there was a
companion machine that would punch cards with what you typed on the
typewriter.? The flexowriter have a common ancestor to the IBM typebar
electrics, IBM sold what became flexowriter because of antitrust concerns.