Artifact Details Title Cap diode inverter 4129-E System Building Block Catalog Number 102678770 Type Physical object Description A paper tag attached reads "Reject Missing copper". On the solder side an attempted repair can be seen. The part number is covered by red marker and the blue marker letters "MT". Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 4129-E Etched on solder side Part number 4129 Engraved on end Serial number 0108276 Engraved on side Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module