Part of PICRYL.com. Not developed or endorsed by the Library of Congress

control towers

public
78 media by topicpage 1 of 1
Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Public domain photograph of stairs, steps, free to use, no copyright restrictions image - Picryl description

Wendover Air Force Base, Control Tower, South of Interstate 80, Wendover, Tooele County, UT

Wendover Air Force Base, Control Tower, South of Interstate 80, Wendov...

Survey number: HABS UT-125-J Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois Waterway River Mile 293.2, Lockport, Will County, IL

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois ...

Significance: The Lockport Controlling Works, originally consisting of a bear-trap dam and sluice gates, allowing the Sanitary District to discharge water from the Chicago Sanitary and Ship Canal into the Des P... More

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph of train tracks, railroad, free to use, no copyright restrictions image - Picryl description

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Picryl description: Public domain image of an airport, free to use, no copyright restrictions.

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph of train tracks, railroad works, free to use, no copyright restrictions image - Picryl description

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph of train tracks, railroad works, free to use, no copyright restrictions image - Picryl description

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Picryl description: Public domain image of an airport, free to use, no copyright restrictions.

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Chicago, Illinois. Looking toward the Chicago and Northwestern Railroad classification yard from one of the control towers at the hump

Chicago, Illinois. Looking toward the Chicago and Northwestern Railroa...

Public domain photograph of 1930s America, free to use, no copyright restrictions image - Picryl description

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Picryl description: Public domain image of a tower, free to use, no copyright restrictions.

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vicinity, Meadville, Crawford County, PA

Erie Railway, Buchanan Junction Interlocking Tower, U.S. Route 322 vic...

Survey number: HAER PA-20 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois Waterway River Mile 293.2, Lockport, Will County, IL

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois ...

Significance: The Lockport Controlling Works, originally consisting of a bear-trap dam and sluice gates, allowing the Sanitary District to discharge water from the Chicago Sanitary and Ship Canal into the Des P... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Control tower at Ronald Reagan Washington National Airport, Arlington, Virginia

Control tower at Ronald Reagan Washington National Airport, Arlington,...

Digital image produced by Carol M. Highsmith to represent her original film transparency; some details may differ between the film and the digital images. Title, date, and keywords provided by the photographer.... More

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois Waterway River Mile 293.2, Lockport, Will County, IL

Chicago Sanitary and Ship Canal, Lockport Controlling Works, Illinois ...

Significance: The Lockport Controlling Works, originally consisting of a bear-trap dam and sluice gates, allowing the Sanitary District to discharge water from the Chicago Sanitary and Ship Canal into the Des P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Erie Railway, Crossing Gate Tower, West side of Lincoln Street, 100 feet South of Concord Street, Union City, Erie County, PA

Erie Railway, Crossing Gate Tower, West side of Lincoln Street, 100 fe...

Survey number: HAER PA-47 Public domain image of Swedish railroads works, train yard, workshop, tracks, historical photograph, free to use, no copyright restrictions image - Picryl description

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Public domain photograph of stairs, steps, free to use, no copyright restrictions image - Picryl description

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Picryl description: Public domain image of an office, table, bureau, desk, free to use, no copyright restrictions.

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

Chicago, Illinois. Looking toward the Chicago and Northwestern Railroad classification yard from one of the control towers at the hump

Chicago, Illinois. Looking toward the Chicago and Northwestern Railroa...

Title and other information from caption card. Transfer; United States. Office of War Information. Overseas Picture Division. Washington Division; 1944. More information about the FSA/OWI Collection is availabl... More

Military Street Bridge, Spanning Black River at Military Street, Port Huron, St. Clair County, MI

Military Street Bridge, Spanning Black River at Military Street, Port ...

Significance: The Military Street Bridge is the oldest surviving bascule highway bridge in Michigan and is an excellent example of the underneath counterweight trunnion design developed by Jospeh B. Strauss, an... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 Vandenberg Court, Blackhawk, Meade County, SD

Ellsworth Air Force Base, Base Operations Tower & Fire Station, 1820 V...

Significance: The Operations Tower and Fire Station was built in 1951 as a combination operations control tower and crash truck building containing eight crash stalls for the Fire Department. The building repre... More

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Picryl description: Public domain image of a tower, free to use, no copyright restrictions.

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Picryl description: Public domain image of an airport, free to use, no copyright restrictions.

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Public domain photograph - historical image of Michigan, United States, free to use, no copyright restrictions image - Picryl description

Q Tower, East side of Baltimore & Ohio Railroad, South of Hyndman, Hyndman, Bedford County, PA

Q Tower, East side of Baltimore & Ohio Railroad, South of Hyndman, Hyn...

Picryl description: Public domain image of a train station, railroad tracks, railway, 19th-20th century, free to use, no copyright restrictions.

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Picryl description: Public domain image of an airport, free to use, no copyright restrictions.

Wendover Air Force Base, Control Tower, South of Interstate 80, Wendover, Tooele County, UT

Wendover Air Force Base, Control Tower, South of Interstate 80, Wendov...

Survey number: HABS UT-125-J Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description

Selfridge Field, Building No. 559, South of East Joy Boulevard, east of North-South Runway, Mount Clemens, Macomb County, MI

Selfridge Field, Building No. 559, South of East Joy Boulevard, east o...

Public domain scan of architectural drawing, architecture, free to use, no copyright restrictions image - Picryl description

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street & Avenue D east of Drydock No. 1, Pearl City, Honolulu County, HI

U.S. Naval Base, Pearl Harbor, Signal Tower, Corner of Seventh Street ...

Significance: The U.S. Naval Base at Pearl Harbor was designated as a National Historic Landmark in 1964. The Signal Tower, classified as a Category 1 structure, is a 69 year old facility located within the P... More

SA Tower, Between State Route 2006 & West portal of Sand Patch Tunnel, Sand Patch, Somerset County, PA

SA Tower, Between State Route 2006 & West portal of Sand Patch Tunnel,...

Significance: Completed about 1912, the SA tower controls retains its original switching and signaling equipment, including its hydraulic switching rods that run alongside the tracks to the track's two double c... More

Naval Air Station Barbers Point, Control Tower & Aviation Operations Building, Near intersection of runways between Hangar 110 & Building 115, Ewa, Honolulu County, HI

Naval Air Station Barbers Point, Control Tower & Aviation Operations B...

Picryl description: Public domain image of an airport, free to use, no copyright restrictions.