Historic Photographs

Home

Search

Subject Browse
Browse by Subject >>

State/City Browse
Alaska
Alabama
Arkansas
Arizona
California
Colorado
Connecticut
District of Columbia
Delaware
Florida
Georgia
Hawaii
Iowa
Idaho
Illinois
Indiana
Kansas
Kentucky
Louisiana
Massachusetts
Maryland
Maine
Michigan
Minnesota
Missouri
Mississippi
Montana
North Carolina
North Dakota
Nebraska
New Hampshire
New Jersey
New Mexico
Nevada
New York
Ohio
Oklahoma
Oregon
Pennsylvania
Rhode Island
South Carolina
South Dakota
Tennessee
Texas
Utah
Virginia
Vermont
Washington
Wisconsin
West Virginia
Wyoming

Home > Maryland > Baltimore > Baltimore & Potomac Interlocking Tower, Adjacent to AMTRAK railroad tracks in block bounde, Baltimore, Independent City, MD



B&W Photos
Environment, From Northwest, Showing B&p Interlocking Tower And Power Substations
HB612262
Environment, From Northwest, Showing B&p Interlocking Tower And Power Substations
Environment, From Southeast, Showing B&p Interlocking Tower, Auxiliary Interlocking Building, And Power Substation
HB612263
Environment, From Southeast, Showing B&p Interlocking Tower, Auxiliary Interlocking Building, And Power Substation
Northeast Elevation, Oblique View, From Northeast, Showing Bay Window
HB612264
Northeast Elevation, Oblique View, From Northeast, Showing Bay Window
Partial Northwest Elevation, Oblique View, From Northwest, Showing First-story Entrance
HB612265
Partial Northwest Elevation, Oblique View, From Northwest, Showing First-story Entrance
Partial Southwest Elevation, Oblique View, From Southwest, Showing Basement Entrance And Chimney
HB612266
Partial Southwest Elevation, Oblique View, From Southwest, Showing Basement Entrance And Chimney
Southeast Elevation, Oblique View, From Southeast, Showing Exterior Stairway And Second-story Entrance
HB612267
Southeast Elevation, Oblique View, From Southeast, Showing Exterior Stairway And Second-story Entrance
Northeast Facade, Detail, Bay Window, From Below And Northeast, Showing Brackets And Overhanging Eaves
HB612268
Northeast Facade, Detail, Bay Window, From Below And Northeast, Showing Brackets And Overhanging Eaves
Interior Detail, Second Story, Showing Interlocking Machine Console And Track Board
HB612269
Interior Detail, Second Story, Showing Interlocking Machine Console And Track Board
Interior Detail, Second Story, Showing Track Board
HB612270
Interior Detail, Second Story, Showing Track Board
Interior Detail, First Story, Showing Relay Racks
HB612271
Interior Detail, First Story, Showing Relay Racks
Interior Detail, Basement, Showing Conduits Leading Underground To Switches And Signals
HB612272
Interior Detail, Basement, Showing Conduits Leading Underground To Switches And Signals


Data Pages


Photo Caption Pages


Item Title


Location
Adjacent to AMTRAK railroad tracks in block bounde, Baltimore, MD

Find maps of Baltimore, MD


Created/Published
Documentation compiled after 1968.

Notes
Survey number HAER MD-163
Significance: The tower is part of the Baltimore's Pennsylvania Station terminal complex, which represented the peak of the Pennsylvania Railroad Company's development in Baltimore. The tower's design, construction, and associated machinery are representative of railroad engineering practices and interlocking signal technology in the early twentieth century.

Subjects
Interlocking Towers


Collection
Historic American Engineering Record (Library of Congress)

Contents
Photograph caption(s): 
1. ENVIRONMENT, FROM NORTHWEST, SHOWING B&P INTERLOCKING TOWER AND POWER SUBSTATIONS
2. ENVIRONMENT, FROM SOUTHEAST, SHOWING B&P INTERLOCKING TOWER, AUXILIARY INTERLOCKING BUILDING, AND POWER SUBSTATION
3. NORTHEAST ELEVATION, OBLIQUE VIEW, FROM NORTHEAST, SHOWING BAY WINDOW
4. PARTIAL NORTHWEST ELEVATION, OBLIQUE VIEW, FROM NORTHWEST, SHOWING FIRST-STORY ENTRANCE
5. PARTIAL SOUTHWEST ELEVATION, OBLIQUE VIEW, FROM SOUTHWEST, SHOWING BASEMENT ENTRANCE AND CHIMNEY
6. SOUTHEAST ELEVATION, OBLIQUE VIEW, FROM SOUTHEAST, SHOWING EXTERIOR STAIRWAY AND SECOND-STORY ENTRANCE
7. NORTHEAST FACADE, DETAIL, BAY WINDOW, FROM BELOW AND NORTHEAST, SHOWING BRACKETS AND OVERHANGING EAVES
8. INTERIOR DETAIL, SECOND STORY, SHOWING INTERLOCKING MACHINE CONSOLE AND TRACK BOARD
9. INTERIOR DETAIL, SECOND STORY, SHOWING TRACK BOARD
10. INTERIOR DETAIL, FIRST STORY, SHOWING RELAY RACKS
11. INTERIOR DETAIL, BASEMENT, SHOWING CONDUITS LEADING UNDERGROUND TO SWITCHES AND SIGNALS


Back to Baltimore, Maryland