||Stamped on component side of the board.
||The number is drilled on the board on both the component and solder side. The number is also etched on both the component and solder side of the board.
||Etched on the component side of the board.
overall: 1/2 in x 12 in x 17 1/2 in
The object is a populated circuit board. Etched into one side is "FAIRCHILD SEMICONDUCTOR" and "DIGITAL SYSTEMS RESEARCH." The integrated circuits on the board are dated either 1969 or 1970.