Artifact Details Title Whirlwind 601 check register Catalog Number 102688412 Type Physical object Description "404 COMPARISON REGISTER" AND "601 CHECK REGISTER" are stamped on top. "NR3701-BOX 4-#9, 601 CHECK REGISTER, 404 COMPARISON REGISTER #33" is printed on the card that is in a bag attached to the object. Date 1951 Manufacturer Massachusetts Institute of Technology (MIT) Identifying Numbers Other number 02430 On paper label on top Other number 404 Stamped in center on top Other number 601 Stamped in center on top Other number F11-6 On label on bottom Other number NR3701 Printed on card in bag Serial number 33 Dimensions overall: 8 1/2 in x 26 in x 11 1/2 in Category Component/module Lot Number XD153.73