The object has a green board surrounded by an aluminum frame and two blue plastic connectors with metal pins. There are various components on one side of the board including three rows of capacitors, resistors, and transistors. At there the extraction end between two of those rows there is also an assemblage of larger resistors. There are two round inspection stamps in the right extraction end corner. On the other side there is a printed circuit and a grid lettered A-Z.
Date
1963 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Identifying Numbers
Model number
1250 B
Printed on solder side along the insertion end
Other number
1250
Stamped into the face of the aluminum frame
Serial number
0184007
Stamped into side of aluminum frame toward the extraction end