Potomac Electric Power Co. miscellaneous. CBS station in Wheaton I
Public domain photograph of midcentury American industry, free to use, no copyright restrictions image - Picryl description
Rocky Mountain Arsenal, Communication Building, 75 feet North of Decem...
Survey number: HAER CO-21-AM Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: Building 5771 is an ancillary structure at the PAVE PAWS compound on Beale Air Force Base. The Air Force constructed Building 5771 as a permanent satellite communications facility in 1984. Buildin... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Chollas Heights Naval Radio Transmitting Facility, 6410 Zero Road, San...
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
Wendover Air Force Base, Bomb Site Storage, South of Interstate 80, We...
Survey number: HABS UT-125-AA Building/structure dates: 1944 Initial Construction
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.
Ellsworth Air Force Base, Transmitter Building, 200 yards east of Coun...
Significance: The Transmitter Building (Building No. 11000) was constructed in 1953 as a Communications Transmitter Building to house radio-based aircraft navigation and communication equipment, reflecting the ... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Potomac Electric Power Co. miscellaneous. CBS station in Wheaton V
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
Mississippi Test Operations, Central Control Building, South side of S...
Significance: The Central Control Building was the location for communications between all systems and structures for the static rocket test firings at the Mississippi Test Operations facility. The structure, w... More
U.S. Naval Base, Pearl Harbor, Naval Radio Station, Operations Buildin...
Significance: Facility 294, the operations building for the AN/FRD-10 Circularly Disposed Antenna Array (CDAA) at NCTAMS, was a part of the United States' Cold War efforts to gather foreign intelligence informa... More
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
U.S. Naval Base, Pearl Harbor, Bombproof Communication Center, Hornet ...
Significance: It was built as a Bombproof Communication Center (also called an Operations and Message Center on some drawings) in direct response to the attack of Pearl Harbor. It is a distinctive type of reinf... More
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.
Ellsworth Air Force Base, Transmitter Building, 200 yards east of Coun...
Significance: The Transmitter Building (Building No. 11000) was constructed in 1953 as a Communications Transmitter Building to house radio-based aircraft navigation and communication equipment, reflecting the ... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
Ellsworth Air Force Base, Transmitter Building, 200 yards east of Coun...
Significance: The Transmitter Building (Building No. 11000) was constructed in 1953 as a Communications Transmitter Building to house radio-based aircraft navigation and communication equipment, reflecting the ... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Potomac Electric Power Co. miscellaneous. CBS station in Wheaton V
Picryl description: Public domain image of a park, trees, outdoors, free to use, no copyright restrictions.
U.S. Naval Base, Pearl Harbor, Naval Radio Station, Operations Buildin...
Significance: Facility 294, the operations building for the AN/FRD-10 Circularly Disposed Antenna Array (CDAA) at NCTAMS, was a part of the United States' Cold War efforts to gather foreign intelligence informa... More
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Chollas Heights Naval Radio Transmitting Facility, 6410 Zero Road, San...
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
Wendover Air Force Base, Bomb Site Storage, South of Interstate 80, We...
Survey number: HABS UT-125-AA Building/structure dates: 1944 Initial Construction
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
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
Union Junction Interlocking Tower, Bounded by Federal, Guilford, Royal...
Significance: The tower is part of the Pennsylvania Station complex, which represented the peak of railroad development in Baltimore. Its design, construction, and associated machinery are representative of ra... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
British and Italian soldiers work stripped to the waist in an effort t...
Picryl description: Public domain image of workers, labor, 1940s, economic conditions, free to use, no copyright restrictions.
Leon Chatelain Jr., architect. Western Union tower
Public domain photograph of tower, column, free to use, no copyright restrictions image - Picryl description
Boswell Bay White Alice Site, Fire Control Building, Chugach National ...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Rocky Mountain Arsenal, Communication Building, 75 feet North of Decem...
Survey number: HAER CO-21-AM Public domain photograph - historical image of Colorado, United States, free to use, no copyright restrictions image - Picryl description
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Plattsburgh Air Force Base, Telecommunications Facility, Connecticut R...
Significance: Building 2787 provided separate telecommunications and Data Processing Installation (DPI) Space. The telecommunications portion of the facility provided a centrally located, common user communicat... More
Boswell Bay White Alice Site, Dormitory, Chugach National Forest, Cord...
Picryl description: Public domain image of a basement, underground, lobby, free to use, no copyright restrictions.
Chollas Heights Naval Radio Transmitting Facility, 6410 Zero Road, San...
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Boswell Bay White Alice Site, Radio Relay Building, Chugach National F...
Significance: This structure is part of the Boswell Bay White Alice Station, which was a component of the detection and communication system bridging the North American continent and directly related to the DEW... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
U.S. Naval Base, Pearl Harbor, Bombproof Communication Center, Hornet ...
Significance: It was built as a Bombproof Communication Center (also called an Operations and Message Center on some drawings) in direct response to the attack of Pearl Harbor. It is a distinctive type of reinf... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Potomac Electric Power Co. miscellaneous. CBS station in Wheaton III
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Wendover Air Force Base, Base Communications, South of Interstate 80, ...
Survey number: HABS UT-125-BQ Building/structure dates: 1944 Initial Construction
Boswell Bay White Alice Site, Tropospheric Antennas, Chugach National ...
Public domain photograph - historical image of Alaska, United States, free to use, no copyright restrictions image - Picryl description
Boswell Bay White Alice Site, Dormitory, Chugach National Forest, Cord...
Public domain photograph - historical image of Alaska, United States, free to use, no copyright restrictions image - Picryl description
Chollas Heights Naval Radio Transmitting Facility, 6410 Zero Road, San...
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont... More
Chollas Heights Naval Radio Transmitting Facility, 6410 Zero Road, San...
Significance: The Chollas Heights Naval Radio Transmitting Facility was a key component of the United States Navy's development of long-range world wide radio communication systems prior to World War I and cont... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: It is one of four large phased-array radars designed and built by Raytheon. PAVE PAWS was the first solid-state, phase-phase steered array radar operational in the world. The PAVE PAWS at Beale an... More
U.S. Naval Base, Pearl Harbor, Bombproof Communication Center, Hornet ...
Significance: It was built as a Bombproof Communication Center (also called an Operations and Message Center on some drawings) in direct response to the attack of Pearl Harbor. It is a distinctive type of reinf... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
U.S. Naval Base, Pearl Harbor, Operations & Message Center, Behind Fac...
Significance: It is located within the Pearl Harbor National Historic Landmark, and was completed as part of the initial build-up to WWII. It has a distinctive type and period of construction. Most bomobproof c... More
Beale Air Force Base, Perimeter Acquisition Vehicle Entry Phased-Array...
Significance: Building 5771 is an ancillary structure at the PAVE PAWS compound on Beale Air Force Base. The Air Force constructed Building 5771 as a permanent satellite communications facility in 1984. Buildin... More
Ellsworth Air Force Base, Transmitter Building, 200 yards east of Coun...
Significance: The Transmitter Building (Building No. 11000) was constructed in 1953 as a Communications Transmitter Building to house radio-based aircraft navigation and communication equipment, reflecting the ... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Mare Island Naval Shipyard, Defense Electronics Equipment Operating Ce...
Significance: Building 505 is a contributing element of the Mare Island Historic District. Building 505 is significant for its association with the communications facility at Mare Island, one of many non-shipy... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Western Union Telegraph Company, Jennerstown Relay, Laurel Summit Road...
Significance: The Jennerstown Relay was a part of the Western Union Telegraph Company's first commercial microwave telecommunications network known as the New York-Washington-Pittsburgh Radio Relay Triangle. ... More
Boswell Bay White Alice Site, Dormitory, Chugach National Forest, Cord...
Public domain photograph - historical image of Alaska, United States, free to use, no copyright restrictions image - Picryl description