March 1, 2011 permalink
IBM 2250 Graphics Display
The IBM 2250 graphics display, introduced in 1964. 1024×1024 squares of vector-based line art beamed at you at 40Hz, with a handy light pen cursor. Much more handy than those older displays that just exposed a sheet of photographic film for later processing!
(Via Columbia University, via Ars Technica’s recent quick primer on computer display history)