Artifact Details Title Vacuum tube module Catalog Number 102729487 Type Physical object Description The module has three tubes, a black metal mounting frame and phenolic PC board with a keyed 17 pin edge connector. There is an inspection tag with "OK J.E.D." written in green ink attached. Manufacturer Bendix Corporation. Computer Division Identifying Numbers Other number G 15 Etched on PC board on bottom left of solder side Other number WA Etched on PC board on top left of solder side Dimensions overall: 1 1/8 in x 3 5/8 in x 7 1/4 in