Artifact Details Title Quadruple flip-flop 1213 J System Building Block Catalog Number 102629154 Type Physical object Description There is a spot of blue spray paint on the solder side. A paper tag attached reads in part, "Disposition: F.S. Stores / Returned by: (indecipherable signature) / Date 16/10/67 / Flop with outputs (indecipherable) Removed diode probably not fault." Date 1963 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number 1213 J Etched on solder side Part number 1213 Engraved on end Serial number 0300430 Engraved on side Dimensions overall: 1/2 in x 7 in x 4 1/2 in Category Component/module