Artifact Details Title Vacuum tube module Catalog Number 102673134 Type Physical object Description Vacuum tube module consists of eight red circuit boards attached to a chassis with eight vacuum tube positions on the front. A metal rod extends through the left side. Similar to modules used in IBM 704 and 709. Has 1 unused and unwired tube socket. Date 1955 ca. Manufacturer Intermational Business Machines Corporation (IBM) Place Manufactured U.S. Identifying Numbers Other number 0048E Rubber stamped on tube socket chassis. Other number 519475 Rubber stamped on tube socket chassis. Other number C05J Pencilled on tube socket chassis. Dimensions overall: 1 in x 9 1/2 in x 7 1/2 in Category Component/circuit board / module Credit Gift of Greydon C. Freeman Lot Number X3755.2007
