1996 Pictures 3 Atwater Kent Manufacturing Company, Philadelphia Pennsylvania Tweet 1996 North Plant, Four-Bay Main Entrance on Northeast Elevation, Looking Southwest 1996 North Plant, North Office Entrance on Northeast Elevation, Looking Southwest 1996 North Plant, South Entrance on Southeast Elevation (location of former 1929 bridge), Looking Northwest 1996 North Plant, Detail of Stack on Southeast Elevation, Looking Northwest 1996 North Plant, Detail of Two-tiered Ridge at Parapet, Looking South 1996 North Plant, Detail of Parapet Wall, North Corner, Looking South