ILLIAC Circuit board chassis mounted in various racks
11 x 8 1 /2 in.
This is a black and white image of several circuit board chassis installed in several racks. Wiring is exposed since there are no covering panels on any of the equipment. The equipment on the left side of the image is the indicator panel. the equipment in the center of the image contains fast registers and the main arithmetic unit. The equipment on the right includes interplay address list and memory registers. The bottom of the racks contain the power supplies. Light is coming from the direction of the camera. Written on the diazo type drawing is "Figure 2", "Indicator Panel", "Fast Registers (Flow Gating)", "Interplay Control", "Main Arithmetic Unit", "Interplay Address List Memory and Registers", Delayed Control and End Connections", and "Power Supply".
Identification photograph; Publicity photograph
Computer industry--History; Computers--History; Electronic data processing--History; Diazo type drawings