Artifact Details Title Vacuum tube module Catalog Number B186.81 Type Physical object Description Plug in tube unit with one large tube, electrical components underneath, metal loop handle. Paper tag attached to loop handle (bad shape) reads "??? CRC Calif. Res. Computer" on one side and "00667001 TC3-C5" on the other. Date undated Manufacturer University of California, Berkeley Dimensions overall: 9 in x 2 in x 2 in Category Component/vacuum tube Collection Title Gwen Bell artifact and book collection Series Title Pre-computing artifacts Credit Gift of Gwen and C. Gordon Bell Lot Number X6288.2012