Object is a rack bearing 10 vacuum tube modules. Along the top and bottom edges are 8 BNC connectors There are five terminal strips on the right end. On the back are two pairs of indicator lights, one red and one clear in each pair.
Date
1951
Manufacturer
Massachusetts Institute of Technology (MIT)
Identifying Numbers
Other number
L4-E
Black plastic label affixed to the back left lower
Other number
PIUMP #210
Black plastic label affixed to the back left upper
