Artifact Details Title Campbell patent notebook (#223) Catalog Number 102725384 Type Document Date 1962-06-27-1964-09-09 Author Campbell, Jim Publisher Fairchild Semiconductor Identifying Numbers Document number 223 Extent Dated entries over 154 pages. Dimensions 12 x 10 inches Category Notebooks Collection Title Fairchild Semiconductor notebooks and technical papers Credit Gift of Texas Instruments Incorporated Lot Number X6464.2012