-- card: 6186 from stack: in -- bmap block id: 146944 -- flags: 0000 -- background id: 2740 -- name: -- part contents for background part 1 ----- text ----- A. I. duPont Institute -- part contents for background part 3 ----- text ----- P. O. Box 269 Wilmington, DE 19899 -- part contents for background part 4 ----- text ----- 302-651-6830