Artifact Details Title Whirlwind module Catalog Number 102677239 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 which reads, "C9-4 P12." Date 1951 Manufacturer Massachusetts Institute of Technology (MIT) Identifying Numbers Other number C9-4 Printed on paper tag Other number P12 Printed on paper tag Serial number 11 Dimensions overall: 2 in x 6 1/8 in x 10 1/2 in Category Component/circuit board / module