Keywords: Naval Hospital Philadelphia Sail Boat Design Heating Grate HABS PA-6206-A-36.jpg other versions w commons File Naval Hospital Philadelphia Main Hospital Building North end of Ramp A north of Pattison Avenue Philadelphia Philadelphia County PA HABS PA-6206-A-36 tif http //www loc gov/pictures/item/pa3492 photos 212901p/ Library of Congress PD-USGov-Interior-HABS http //www loc gov/pictures/resource/hhh pa3492 photos 212901p/ http //www loc gov/pictures/item/pa3492 photos 212901p/ Original upload log page en wikipedia Naval+Hospital+Philadelphia+Sail+Boat+Design+Heating+Grate+HABS+PA-6206-A-36 jpg wikitable - 2009-10-29 00 28 43 174× 532× Pretzelfactory National Archives-Historic American Buildings Survey/Historic American Engineering Record Naval_Hospital_Philadelphia_Sail_Boat_Design_Heating_Grate_HABS_PA-6206-A-36 jpg - Naval Hospital Philadelphia |