This is a generic module rack with 10 modules installed, eight with two vacuum tubes. Two modules contain only one tube. There are tags on each of the modules, numbering them E13-15-1 through 10. There are 11coaxial connectors with cut wires and two disconnected coaxial connectors. There are also numbers on each of the cooaxial connector spaces, which read J1-1 through J10-4. At one end there are two terminal strips on the top, two at the bottom, and one on the side of the chassis. There is one set of red and white indicator lights at the bottom.
Date
1951
Identifying Numbers
Other number
E13-A
Engraved on a black label on the chassis.
Serial number
447
Stamped in white on the frame. The number is partially obscurred by a module.
