This is a black and white image of an exploded assembly drawing in 3D isometric layout of a wire contact relay. Several parts have callouts with labels. The background is off white. Image has caption below stating "Figure 15. Wire Contact Relay (4-position)". Written on verso side of image is "#1336". One of the "3"s was initially a "1" but was changed.
Identification photograph; Publicity photograph
Computer industry--History; International Business Machines Corporation (IBM); International Business Machines Corporation--History; Computers--History; Electronic data processing--History