The object is a rack holding ten vacuum tube modules. Each module contains two vacuum tubes. The object also has 15 BNC connectors and four terminal strips. One of the terminal strips still has many of its wires attached. There are five indicator light assembles attached to the object each has one white light and one red light.
Found on a green label reading, "accepted by" on one of the middle vacuum tube modules.
Handwritten in black oil pencil on the bottom of one of the brackets.
Found on a black label glued to the back of the rack.