Written on a sticker attached to the bottom of the object
Etched on the top and bottom of the object
overall: 16 in x 26 in x 8 1/2 in
The object is a medium-size metal panel with 20 BNC connectors and one multi-pin male connector. There are sockets for 12 vacuum tubes of which 7 are populated. Miscellaneous parts have been separately packaged and attached to the object.