Two vintage 1990's 1993 Granite Run Mall, Delaware County, Delco, Media, Pennsylvania blueprints. Both opaque plastic blue prints measure 30" by 42" and read "Pyrotronics, 1993, Granite Run Mall, U. S. Route 1, Media, Pa.". One is marked "Smoke Control And Griphic Annunciator Panel" and the other "Fire Alarm Riser Diagram". The two large schematics display beautifully with detailed graphics. Both are in very good to excellent used condition. The two are sold as is and as pictured with returns not accepted. They will be mailed rolled in a tube. $20.00 USPS or FedEx postage.