Artifact Details Title HP 02100-60001 A5 printed circuit board Catalog Number 102728198 Type Physical object Description This is a 4 layer PCB with double sided edge connectors at the front and back. The top is populated with a variety of DIP integrated circuits including four 74181 ALU chips. Date 1973 Manufacturer Hewlett-Packard Company (HP) Identifying Numbers Other number A-1051-22 Etched in front corner on top of board Other number A5 Printed on left card extractor Part number 02100-60001 Etched in front corner on top of board Dimensions overall: 3/8 in x 8 in x 8 3/4 in Category Component/circuit board