Book from 1986 with step-by-step instructions for 50 different typewriter/keyboard works. Available in full at archive.org.
Nokia ringtones teletext ads from 2001, recovered by the teletext archeologist.
Southwest Technical’s 6800 computer and the CT-64 terminal, and a photo of its 64x16 textmode. Launched in 1975. First image from Creative Computing and second one from here.
ANSI by Discofunk 1974, taken from a great new pack from Lazarus.