Artifact Details Title Diode 1110 system building block Catalog Number 102727925 Type Physical object Description Printed circuit board populated with a number of components and a frame. It is packaged in an original DEC cardboard box. "OK" is written in pencil on the cover of the box. Date 1960 ca. Manufacturer Digital Equipment Corporation (DEC) Place Manufactured Maynard, Mass. Identifying Numbers Model number 1110 Engraved on end of frame Model number 1110 B Etched on solder side Other number 24589 Engraved on side of frame Dimensions overall: 1/2 in x 4 1/2 in x 7 in Category Component/module Related Records 102727921 Inverter 1104A System Building Block 102742642System plug-in unit : diode test data - model 1110