Written on a sticker attached to the back of the object
Etched on the front of the object
overall: 11 1/2 in x 26 in x 8 1/2 in
The object is a medium-size metal panel with 9 BNC connectors and one multi-pin male connector. There are sockets for 8 vacuum tubes of which 6 are populated. One set of clear indicator lights is attached to the object. Etched on the object on both the bottom and the top is "301 register."