Yes, this was one of the oldest, most unique typewriters with history in a while, last one before this was Larry McMurtry's Hermes 3000. Before those I was both Erma Bombeck and Paul Harvey's typewriter tech, both used IBM selectric's
via Duane Jensen at https://www.youtube.com/watch?v=tJxFzACiISM&lc=UgyDGDDU6cEskMvsPmh4AaABAg.9Vb0zueAXOF9VbnHZ4AT_F