Artifact Details Title Triple Flip-Flop 4206H system building block Catalog Number XD185.80 Type Physical object Description There are several components on one side of the board, which is surrounded by an aluminum frame and two blue plastic connectors, one male and one female. Date 1967 Manufacturer Digital Equipment Corporation (DEC) Place Manufactured U.S. Identifying Numbers Model number 4206H Printed on the solder side of the board Serial number 0119817 Stamped into the side of the aluminum frame Dimensions 1/2 x 4 1/2 x 10 3/4 (HWD) Category Component: circuit board / module Lot Number XD185.80