This number is located on the top of both circuit boards beneath the components
The patent number is located on the bottom of the module next to the connector pins
The drawing number is found on the side of the module on the blue plaque
The serial number is located on the side of the module on the blue plaque and on the handle
overall: 6 3/8 in x 2 in x 1 in
The record contains 1 module. It has blue metal sides, a clear handle with one black band and one orange band. There are 18 connector pins at the bottom of the object. There are two circuit boards on each side comprised of various components and wires. The manufacturer of the bottom plastic piece "Winchester El. Inc." is located on the bottom where the connector pins are and so are the words "Monobloc Trademark".