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Antique radio transmitter in a war room in the basement of the Reunification Palace in Ho Chi Minh City (Saigon), Vietnam
Close-up of vintage electronic components, including vacuum tubes, in an old radio or amplifier.
Old vintage analog tube signal generator for communicating with pilots on old aircraft with many settings and adjustment switches and knobs with a scale of levels and frequency
This panel contains the launch key for a missile system.  This shot was taken at a decommissioned missile silo launch site.
Military two-way field communications radio
power plant console panel
Interior and equipment of old Deutsche Bahn railcars and diesel locomotive. Old railway depot in Linz, Germany. Free access without admission or fee.
Abandoned radar tower and building at Camp Hero State Park, Montauk, Long Island, New York.  The camp was used in World War II and during the Cold War.  The radar tower was used as part of the United States' defense system during the cold war.  Camp Hero is rumored to be the location where secret government experiments were carried out on juvenile boys.  The camp was operated by the United States Army, and later was operated by the United States Air Force.  The camp was commissioned by the United States Army in 1942, and it was originally disguised as a fishing village.  The United States Air Force closed the camp in 1981.  When the camp was closed the large high-powered radar reflector was left in place due to the difficulty in removing it.  It was 126 feet (38m) long and 38 feet (12m) tall, and weighed 40 tons (over 3,600kg).  It is fenced off from public access, and is now in a state of serious disrepair.
A grayscale shot of the interior of an aircraft carrier.
Electric car batteries in a row in repair shop.
Top of the graphite-moderated nuclear power reactor (RBMK or High Power Channel-type Reactor). Chernobyl Nuclear Power Plant.
Vacuum tube close-up image with several tubes. They were crucial to the development of radio, television, radar, sound recording and reproduction, long-distance telephone networks, and analog and early digital computers.
Old mechanical computer used to be a fire control device onbouard USS Missouri
Electrical control cabinet
Old Soviet Radio Station
Beja, Portugal: Precision Approach Radar (PAR, FIAR), special radar device that can be used to precisely monitor an aircraft's landing approach in elevation and azimuth, the abbreviation PAR also stands for the instrument approach procedure guided with the help of this type of radar - Beja Airport / BA11.
Military radio of the USSR during the Second World War. Historical items from the times of the Soviet Union. Translation from Russian: setting
old military radio
These electronic panels are filled with buttons, dials, lights, and switches.  They occupy an equipment rack used for communications in an old government facility.
Nedre Frei, Norway – July 03, 2022: Nedre Frei, Norway - July 03, 2022: Kvalvik Fort was built by the Germans and it is one of the best preserved coastal forts from the Second World War
Old Cord Switchboard
The abandoned military airport with hangar and control rooms.
The communication station atop Indian Mountain near Council, Idaho, with Council Mountain in the background.
Ship telegraph in the engine room, close-up.
An old fashioned telephone exchange.
Wires and control buttons on the dashboard. The concept of a high-tech device and modern means of communication and data protection
two old gray dirty metal electrical resistors with wires on a brown chip
Aerial view of white domes on field in Ottawa, Ontario, Canada.
Free Images: "bestof:OrdnanceWorldWarII 004.jpg Radio proximity fuse at NBS proving ground at Blorsom Point National Institute of Standards and Technology National Institute of"
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