National Electronics Museum and System Source Computer Museum

21031 Hunt Valley, MD, USA (Maryland)

National Electronics Museum

Permanent Exhibits

The National Electronics Museum has nine permanent exhibitions and one rotating temporary exhibit. The galleries display breakthroughs in electronic history in the areas of communications, radar, countermeasures, electro-optical, underwater and satellites.

Fundamentals Gallery

Use our hands on equipment to generate electricity and experiment with magnetism.
Learn how electromagnetic waves power our cell phones, cook our food, and help us see into space.
Become part of a human battery

Communications Gallery

The development of the Morse telegraph and the Bell Telephone.
Marconi's pioneering wireless experiments.
Reproduction of an early amateur radio spark gap "shack".
An operational amateur radio station (operated by the Amateur Radio Club of the National Electronics Museum/K3NEM) capable of worldwide communications by voice, Morse code, digital modes, and television.
The AN/PRD-1 in the Vietnam War: Early in the Vietnam War Army Security Agency forces were deployed “in country” with the AN/PRD-1 Direction Finder to find and track enemy insurgents. Learn how the use of technology in war time became a battle with the technology itself.

Early Radar/WWII Gallery

Learn how the British built a radar to detect enemy aircraft in the late 1930's.
See the type of radar that detected the attack on Pearl Harbor on December 7, 1941.
See the American radar-controlled anti-aircraft gun that fired shells packed with electronics to shoot down the buzz bombs launched against London in World War II.
Read descriptions of Allied and German radars used in World War II

Cold War Radar Gallery

See a U.S. Navy shipborne fire-control radar.
Learn how radar led to the household microwave oven.
Learn how Doppler radar would be used to direct American missiles toward Soviet bombers.
See how the Doppler effect was adapted to measure the speed of your car.
See Air Force and Navy airborne fire-control radars.
Learn how side-looking radars developed in the 1950's could map the ground in all kinds of weather.

Modern Radar Gallery

A TPS-43 ground based tactical surveillance radar in an outside exhibit area.
An AWACS antenna including a mock-up of the radome.
Radar tracks of incoming flights at BWI Thurgood Marshall Airport.
A hands on demonstration of phased array beam steering.

Countermeasures Gallery

See World War II Army Air Force and U.S. Navy jamming and receiving gear.
Hear an enemy SA-2 (SAM) missile lock on to its target.
Learn how chaff and decoys are used to fool enemy radar.
Examine modern multi-configurable counter measure pods.

Underseas Gallery

Fundamentals of underwater sound transmission.
Air-dropped sonobuoys.
Interactive demonstration of passive and active underwater sounds.
Display of antisubmarine warfare systems and future Bow Conformal SONAR arrays.
"Shadowgraph" towed vehicle for imaging mines using acoustics.

Electro-optical Gallery

See the famous Norden bombsite of the WWII era.
Explore the inner workings of the Pave Spike system.
See yourself in infrared!

Satellites: Transforming Our Lives Gallery.

See a 1:1 scale model of the Boeing 702SP Satellite.
Explore the Satellite Hall of Fame on one of several touch screens in the gallery.

Wikipedia:
System Source Computer Museum
exhibits notable computing devices from ancient times until the present. Over 5,000 objects are on display and many of the computation devices are operational.

Exhibits

Apples: Apple 1, Apple II, Apple ///, Apple Lisa and most other Apple products

Control Data Corporation: CDC 160 Series

Cray computers: Cray-1, Cray-2, Cray T90

DEC computers: PDP-5, PDP-8, LINC[4] PDP-12, VAX

Computer memory: Delay-line memory Magnetic-core memory

Kenbak-1: Kenbak-1

Pre-industrial computers: Abacus, Quipu, Napier's bones, slide rule

Tic-Tac-Toe and computers: Charles Babbage's research on the game, Relay Tic Tac Toe Machine, Matchbox Educable Noughts and Crosses Engine (MENACE)

UNIVAC: UNIVAC 490, UNIVAC 418

Xerox: Xerox Alto[6]

IBM: Two IBM System/360 Model 20s on long-term loan from a private collection in the UK.[7]

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