[Aerial view of Haverford College, Haverford Pennsylvania.]
[Aerial view of Haverford College, Haverford Pennsylvania.]
[Aerial view of Wilmington, Delaware]
[Aerial view of Wilmington, Delaware]
[Aerial view of Marshall Farm, Abington Township, Montgomery County, Pennsylvania.]
[Aerial view of Marshall Farm, Abington Township, Montgomery County, Pennsylvania.]
[Aerial view of Percival Roberts' estate, Narberth, Montgomery County, Pennsylvania.]
[Aerial view of Percival Roberts' estate, Narberth, Montgomery County, Pennsylvania.]
[Aerial views of Princeton University, Princeton, New Jersey.]
[Aerial views of Princeton University, Princeton, New Jersey.]
[Aerial view from high altitude.]
[Aerial view from high altitude.]
Charles Warner Company factory plant, Cedar Hollow, Pennsylvania.
Charles Warner Company factory plant, Cedar Hollow, Pennsylvania.
[Agasote Millboard Company, West Trenton, New Jersey.]
[Agasote Millboard Company, West Trenton, New Jersey.]
Alan Wood Iron and Steel Company, Conshohocken, Pennsylvania.
Alan Wood Iron and Steel Company, Conshohocken, Pennsylvania.
Allied Chemical & Dye Corporation, General Chemical Division plant, Camden, New Jersey.
Allied Chemical & Dye Corporation, General Chemical Division plant, Camden, New Jersey.
Allied Chemical & Dye Corporation plant, Grays Ferry Avenue and the Schuylkill River, Grays Ferry, Philadelphia.
Allied Chemical & Dye Corporation plant, Grays Ferry Avenue and the Schuylkill River, Grays Ferry, Philadelphia.
Armstrong Cork Company factory plant, Lancaster, Pennsylvania.
Armstrong Cork Company factory plant, Lancaster, Pennsylvania.
Atlantic Refining Company plant, 3314 Passyunk Avenue, Point Breeze, Philadelphia.
Atlantic Refining Company plant, 3314 Passyunk Avenue, Point Breeze, Philadelphia.
Heintz Manufacturing Company plant, Olney Avenue and Front Street, Olney, Philadelphia.
Heintz Manufacturing Company plant, Olney Avenue and Front Street, Olney, Philadelphia.
Heinz Pickle Company plant, Salem, New Jersey.
Heinz Pickle Company plant, Salem, New Jersey.
Atlantic Refining Company plant, 3314 Passyunk Avenue, Point Breeze, Philadelphia.
Atlantic Refining Company plant, 3314 Passyunk Avenue, Point Breeze, Philadelphia.
Tioga Steel & Iron Company plant, Grays Avenue and 51st Street, Kingsessing, Philadelphia.
Tioga Steel & Iron Company plant, Grays Avenue and 51st Street, Kingsessing, Philadelphia.
Alirene Mills textile plant at Frankford Creek, 1200-1300 Adams Avenue, Frankford, Philadelphia.
Alirene Mills textile plant at Frankford Creek, 1200-1300 Adams Avenue, Frankford, Philadelphia.
Leeds and Northrup Company plant, 4901 Stenton Avenue, Nicetown-Tioga, Philadelphia.
Leeds and Northrup Company plant, 4901 Stenton Avenue, Nicetown-Tioga, Philadelphia.
Extreme aerial views of the Holmesburg section of Northeast Philadelphia, Philadelphia.
Extreme aerial views of the Holmesburg section of Northeast Philadelphia, Philadelphia.
American Bridge Company factory plant, Trenton, New Jersey.
American Bridge Company factory plant, Trenton, New Jersey.
American Can Company plant, Bridgeton, New Jersey.
American Can Company plant, Bridgeton, New Jersey.
American Steel & Wire Company factory plant, Trenton, New Jersey.
American Steel & Wire Company factory plant, Trenton, New Jersey.
Byberry Hospital and Northeast Philadelphia.
Byberry Hospital and Northeast Philadelphia.
Byberry Hospital.
Byberry Hospital.
Germantown Dispensary and Hospital, Germantown, Philadelphia.
Germantown Dispensary and Hospital, Germantown, Philadelphia.
Westtown School, showing lake.
Westtown School, showing lake.
George School, Newtown, Pa.
George School, Newtown, Pa.
George School, Newtown, Pa.
George School, Newtown, Pa.
Ursinus College, Collegeville, Pa.
Ursinus College, Collegeville, Pa.
Ursinus College, Collegeville, Pa.
Ursinus College, Collegeville, Pa.
Franklin and Marshall Institute, Lancaster.
Franklin and Marshall Institute, Lancaster.
Friends' Central School, City Line & 69th St., Phila. Pa.
Friends' Central School, City Line & 69th St., Phila. Pa.
Friends' Central School.
Friends' Central School.
Girard College, N. Phila.
Girard College, N. Phila.
Girard College, Phila., Pa.
Girard College, Phila., Pa.
Girard College, Phila., Pa.
Girard College, Phila., Pa.
Princeton University.
Princeton University.
Princeton University Graduate College.
Princeton University Graduate College.
Princeton, N.J.
Princeton, N.J.
Frankford High School, N. Phila., Pa.
Frankford High School, N. Phila., Pa.
Overbrook Seminary.
Overbrook Seminary.
St. Charles Borromeo.
St. Charles Borromeo.
Villanova University.
Villanova University.
Philadelphia House of Correction.
Philadelphia House of Correction.
University of Pennsylvania looking north.
University of Pennsylvania looking north.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
University of Pennsylvania, Philadelphia.
Frankford High School, Phila.
Frankford High School, Phila.
Delaware College.
Delaware College.
Church Farm School, Penna.
Church Farm School, Penna.
Crown Can Company plant, vicinity of I Street and Erie Avenue, Juniata Park, Philadelphia.
Crown Can Company plant, vicinity of I Street and Erie Avenue, Juniata Park, Philadelphia.
Boger and Crawford textile mill, vicinity of J and Venango Streets, Nicetown-Tioga, Philadelphia.
Boger and Crawford textile mill, vicinity of J and Venango Streets, Nicetown-Tioga, Philadelphia.
Holmesburg Prison, Philadelphia.
Holmesburg Prison, Philadelphia.
Philadelphia House of Correction.
Philadelphia House of Correction.
Philadelphia House of Correction.
Philadelphia House of Correction.
University of Pennsylvania looking east.
University of Pennsylvania looking east.
Swedenborgen Theological Seminary.
Swedenborgen Theological Seminary.

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