Pr inted in solder on the circuit side of the board
Stamped into the face of the aluminum frame
Stamped into side of aluminum frame
overall: 25 in x 4 1/2 in x 7 in
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.