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.
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Other number
F8-5
Written on a sticker attached to the bottom of the object