Artifact Details Title Duncan patent notebook (#1500) Catalog Number 102725578 Type Document Date 1973-12-27-1974-03-01 Author Duncan, David M. Publisher Fairchild Semiconductor Identifying Numbers Document number 1500 Extent Dated entries over 69 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