The object is a metal rack standing on built-in legs. The rack contains 5 vacuum tubes, one of which is broken. There is a socket for another vacuum tube which is missing. Besides the tubes, the rack has 12 BNC connectors and another connector (probably a power connector).
Date
1951
Identifying Numbers
Other number
00179
Printed on white label affixed to top surface of unit
Other number
F12-1
Handwritten on white label on bottom of unit
Serial number
Serial #12
Stamped in white on top surface and bottom surface of unit
