Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
Philadelphia & Reading Railroad, Peacock's Lock Viaduct, Spanning Schu...
Significance: The Peacock's Lock Viaduct, named after a nearby lock on the Schuylkill Division Canal, may be the only masonry arch bridge in the U.S. with pierced spandrels. The circular openings between arche... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
South Station Tower No. 1 & Interlocking System, Dewey Square, Boston,...
Significance: South Station's interlocking system was a prototypical solution to the problem of handling the huge numbers of track and signal changes required at a large railroad terminal. The interlocking sys... More
Philadelphia & Reading Railroad, Pedestrian Suspension Bridge, Foot of...
See also HAER PA-121 for related documentation. Includes photographs. Significance: The Philadelphia & Reading Railroad's pedestrian suspension bridge was typical of short spans produced by the John A. Roebling... More
Philadelphia & Reading Railroad, Pedestrian Suspension Bridge, Foot of...
See also HAER PA-121 for related documentation. Includes photographs. Significance: The Philadelphia & Reading Railroad's pedestrian suspension bridge was typical of short spans produced by the John A. Roebling... More
Philadelphia & Reading Railroad, Pedestrian Suspension Bridge, Foot of...
See also HAER PA-121 for related documentation. Includes photographs. Significance: The Philadelphia & Reading Railroad's pedestrian suspension bridge was typical of short spans produced by the John A. Roebling... More
Philadelphia & Reading Railroad, Pedestrian Suspension Bridge, Foot of...
See also HAER PA-121 for related documentation. Includes photographs. Significance: The Philadelphia & Reading Railroad's pedestrian suspension bridge was typical of short spans produced by the John A. Roebling... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia, Wilmington & Baltimore Railroad, President Street Statio...
Significance: As of 1974, the President St. Station was one of the oldest large city railroad terminals still standing in the United States. The station quite possibly contains one of the earliest uses of the ... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More
Philadelphia & Reading Railroad, Skew Arch Bridge, North Sixth Street ...
See also HABS PA-1025 for additional documentation. Includes photographs. See also HAER PA-117 for additional documentation. Significance: This structure's three spans are extremely rare examples of true skew a... More