Handwritten on a white sticky label on the bottom of the chassis.
Engraved on a plastic label on the bottom of the chassis.
overall: 13 in x 26 in x 7 1/2 in
This is a generic module rack with 10 modules installed. Each with two vacuum tubes except for one, which has one unpopulated socket. There are tags on each of the modules reading E13-13-1 through E13-13-10. There are 16 coaxial connectors, may have cut wires. Numbers on each of the cooaxial connector spaces 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. "PIUMP 448" is handwritten on a label at the bottom of the chassis.