The board have various active and passive components on one side. Surrounding the board is an aluminum frame and a blue plastic 22 pin male connector. In one corner of the frame there is a bolt holding three wrapped brass wires. There are two round inspection stamps on the component side.
Date
1965 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
4519 C
Printed on the solder side of the board near the insertion end