U of M had the Teletype room which had teletypes (ASR 33's) with integral dataphones.
These got replaced with the LA36 decwriters most of which had APL character sets as well.
Upstairs was the Hazeltine room full of a half dozen Hazeltines that used ~ as the graphic
escape (causing the HAZEL stty mode...leave poor tilde alone!) and one Tektronics storage
scope monster.
My first C program was on one of JHU's teletypes complete with \( and \) for it being
upper case only lacked the { } characters.