Artifact Details Title HP 12895-60001 A9 printed circuit board Catalog Number 102728235 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. There is a single white jumper wire on the back of the board. Date ca. 1980 Manufacturer Hewlett-Packard Company (HP) Identifying Numbers Other number 4339 Etched on top of board Other number A9 Printed on left card extractor Other number B 1144 22 Etched on top of board Part number 12895-60001 Etched on top of board Dimensions overall: 1/2 in x 8 in x 8 3/4 in Category Component/circuit board