Artifact Details Title National Semi ICs without covers in box Catalog Number 102743662 Type Physical object Description Consists of bottom case with 3 ICs stuck in foam and a loose cover with description on underside. ICs have no covers, the patterns in the silicon are visible. A cardboard box holds the case. Manufacturer National Semiconductor Corporation (NSC) Identifying Numbers Model number NMC41257 On underside of coveer Model number NMC6164 On underside of coveer Model number NS32C016 On underside of coveer Dimensions overall: 1 5/8 in x 4 1/2 in x 4 1/2 in Category Miscellaneous/packaging Credit Gift of National Semiconductor Corporation Lot Number X6465.2012