Artifact Details Title Whirlwind module Catalog Number 102677250 Type Physical object Description Object is a module with two vacuum tube sockets that are both populated. Engraved on top of unit is "CONTROL PULSE OUTPUT". Object has a paper tag attached which reads, "C11-4 P20." Date 1951 Manufacturer Massachusetts Institute of Technology (MIT) Identifying Numbers Other number C11-4 Priinted on paper tag Other number P20 Priinted on paper tag Serial number 99 Dimensions overall: 2 in x 6 1/8 in x 10 1/2 in Category Component/circuit board / module