Artifact Details Title Cap Diode Inverter 4129- H System Building Block Catalog Number 102688275 Type Physical object Description Written on an attached tag is, "DEFECTIVE MODULE, User Univ. of Penn., F.S. Branch Phil, Module Type 4129, Serial No. 237479, Equipment Removed from PDP- 6, Removed by J. Carruolo, Date 11/22/68, Describe Fault Bad CD gali inputs X, W,." Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 4129- H Part number 4129 Serial number 0237456 Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module