A 1990 video by Brad Myers offers two hours (!) of screen recordings of the user interface affordances of various historical GUIs, including PARC's Bravo (1974), various Smalltalks, Interlisp-D, Star (1981), Cedar (1982) Symbolics, NeXT, &c.
Also available on YouTube:
09/06/2020, 5:48 PM
The plane and teleporter of the “alternate reality kit” at 9:20 is magical