The record contains a thin rack with 34 BNC connectors on the front, not all are active. Some are wired to the phenolic board at the back. There are two vacuum tube sockets, one of which is empty.
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Other number
F15-4
Handwritten on a white sticker at the back.
Serial number
14
Stamped in white on the left side of the back and on the front.
