The object is a metal rack standing on built-in legs. The rack has spaces for 5 vacuum tubes. Besides the tubes, the rack has 16 BNC connectors and another connector (probably a power connector). "D-Bus Driver Arithmetic Rack 9, 12, 10" is handwritten in red on a card taped to the front of the panel.
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Other number
-Box1-#6
On a card taped to the center front of the panel
Other number
02836
Stamped in blue on a sticker at the top front of the panel
Other number
A9-
This incomplete number is loacted on the back of the panel
