The object has a green surrounded by an aluminum frame and two blue plastic connectors with metal insertion pins. There are various components on one side, including three columns of capacitors, transistors, and resistors. There is one round inspection stamp at the extraction end of the component side. On the other side there is a printed circuit and a lettered grid A-Z.
Date
1963 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Model number
S1250D
Printed on the solder side of the board toward the insertion end
Other number
1250
Stamped into the aluminum frame at the side on the extraction end
Serial number
0138586
Stamped into the aluminum frame on the side toward the extraction end