User interacting with an early Computer Aided Design (CAD) program running on a PDP-1 computer
10 x 8 in.
This is a black and white image of a man using a light pen with his right hand on the PDP-1 monitor screen drawing shapes on the screen using a program called Sketchpad. The display screen shows a graphic representation of a several shapes and sizes. The man is dressed in a suit and is looking away from the camera. Written on verso side in pencil is "963".