Artifact Details Title Printed Buffer Driver 4700D system building block Catalog Number 102728265 Type Physical object Description The object is a PCB board. The following has been printed in solder on the circuit side "PRINTED BUFFER-DRIVER 4700D". The components include: resistors; transistors; diodes; capacitors. Date 1965 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Other number 0040008 Sculptured on bottom metal edge of object. Other number 4700 Sculptured on right metal edge of object. Dimensions overall: 1/2 in x 14 1/2 in x 4 3/8 in Category circuit board / module