[Pennsylvania Convention Center Expansion- Historic Recordation, Building 18, Lithograph Building] Typical Stairs and Concrete Column at One Bedroom Loft Apartment (Anitha Aradhya, Photographer, 2/2/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-001-043	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Lobby (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-001	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Elevator Lobby (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-024
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Elevator Lobby (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-025	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Restroom (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-026	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Elevator-Closed (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-027
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Elevator-Open (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-028	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Typical Main Stair, 2nd Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-021	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-022
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Stair (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-023	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Historic Mailbox at First Floor Stair Well (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-020	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 1st Floor Main Stair with Decorative Marble Treads (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-018
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 1st Floor Main Stair with Decorative Marble Treads (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-019	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 1st Floor Men's Toilet Room (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-017	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Fire Stair Corridor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-014
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Library Utility Closet Door (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-015	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 1st Floor Women's Toilet Room (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-016	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Typical Replacement Window Wall (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-038
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-039	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Critique Classroom (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-040	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Typical Electrical Closet and Utility Closet Shaft Door (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-029
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Detail of Electrical Closet (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-030	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-031	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Fire Stair Door (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-032
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Fire Exit Stair (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-033	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Freight Elevator Doors (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-034	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Metal Sill for Original Exterior Door (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-035
[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-036	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] 3rd Floor Typical Floor (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-037	[Pennsylvania Convention Center Expansion- Historic Recordation, Building 20, Metzger Building] Rear Corridor and Elevator Lobby (Lonnie Hovey, Photographer, 1/30/2007) Pennsylvania Convention Center Collection, Athenaeum of Philadelphia. Local ID #: 233-DP-004-011

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