Artifact Details Title PDP-4 tape reader Catalog Number D374.82 Type Physical object Date 1963 ca. Manufacturer Digital Equipment Corporation (DEC) Dimensions overall: 22 in x 19 3/4 in x 18 in Description Large machine with two stacked sections attached by cords. Front has missing panels, a power switch near the top, and two switches near the bottom at center. Category I/O/paper tape