The object consists of a green board with various components on one side, including a row of eight diodes in the center of the board. On the other side there is a printed circuit. The board is framed by an aluminum frame. There is a manufacturer's label to the left of the number "4155" on the face of the board.
Date
1965 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
S6155C
Pr inted in solder on the circuit side of the board