Located on reverse side of substrate, top-right corner
overall: 1/2 in x 2 1/2 in x 5 1/2 in
W602 module with green substrate and a tan plastic extraction handle, attached by two rivets. Handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS" in raised letters. The reverse side of the substrate (with solder joints) reads "BIPOLAR LEVEL AMPLIFIER W602A" along the edge. The obverse side is covered by a variety of components. Two black inspection stamps are located near the handle,one red stamp is located in the center approximately three-quarters of the way down. A repeating "neLco" pattern in red print is visible on the substrate.