Artifact Details Title Inhibit driver 1998B system building block Catalog Number 102728215 Type Physical object Description The object has a green board with various components on one side, including transistors, resistors, diodes and a large orange piezo buzzer. At the insertion end there is a blue plastic connector. The board is surrounded by an aluminum frame. Date 1963 ca. Manufacturer Digital Equipment Corporation (DEC) Place Manufactured Maynard, Mass. Identifying Numbers Model number 1998B Printed in solde ron reverse of board Other number 1998 Stamped into the aluminum face of the board. Serial number 0197998 Stamped into the aluminum frame on the side Dimensions overall: 1/4 in x 4 1/2 in x 7 in Category Component/module