Detection Collection

Lie detector 1923
American instrument for the detection of uttered fibs, falsehoods, and other untruths, based on responses of the subjects heart and lungs

United States Air Force - Beechcraft QU-22B 69-7702 (msn EB-10) The QU-22B was developed as very quiet un-piloted relay station for the Igloo White movement detection system deployed on the Ho Chi

Magnetron Valve - Britain's Great Contribution to Radar. Date: 1946

Fritz Lang's M
Images from Fritz Lang's 1931 film M, including Peter Lorre (1904-1964) as Hans Beckert in his first major film role. Date: circa 1931

John Hector Cutten, psychical researcher and writer with a special interest in telepathy and clairvoyance. He served as secretary of the Society for Psychical Research

German infra-red equipment by G. H. Davis
Black light: the cats eye effect of the German infra-red telescopes and searchlights in darkness. How to see in the dark -- a German military secret paralleled by Allied inventions

Military radar in wartime by G. H. Davis
Military radar: how this vital secret weapon helped the Allied land forces to achieve final victory during the Second World War. Date: 1945

Use of radar in the war at sea by G. H. Davis
Radar in the war at sea: some ways in which the Royal Navy used this weapon during the Second World War. Date: 1945

Use of radar in the air war by G. H. Davis
Radar: how the most important secret weapon of offence and defence was applied to the air war. Its vital contribution to all the fighting services during the Second World War. Date: 1945

Radar warning and control system by G. H. Davis
A powerful new aid for the navy: the radar warning and control system installed in HMS Victorious. Date: 1958

Modern methods of sea rescue by G. H. Davis
Modern methods of sea rescue during the Second World War: day and night detection devices. Date: 1941

Colin Brookes-Smith table tilting research
Colin Brookes-Smiths table designed for the detection of UMA (unconscious muscular action) in table tilting. The table surface has been removed to reveal the mechanisms underneath

Getting out the paravanes on entering a minefield, WW1
The crew of a ship getting out the paravanes on entering a minefield during the First World War. The paravane is towed underwater in order to detect the presence of mines

Lowering a paravane on entering a minefield, WW1
Lowering a paravane on entering a minefield during the First World War. The paravane is towed underwater in order to detect the presence of mines. Date: 1914-1918

Sonar station WWII
French soldier listening in a sonar station to detect enemy submarines during World War II

Locksmith Opens Door
A locksmith opens a door with a master set of keys

Ansells Fire-Damp Indicator, 1880
Engraving showing the instrument, designed by Ansell, for the detection of fire-damp in underground mines, 1880. If fire-damp gases built up then the risk of explosion increased

A Poste D ecoute
A French listening-post for early detection of enemy aircraft

Burglar alarm designs
Burglar detection by invisible beams. Once the beam is broken a alarm bell rings and a lamp lights up. The invisible rays ran across windows or doors to prevent entry

Ghost Detection Kit
Ghost detection equipment designed and built by John Cutten : wind vane - Solenoid - Cameras - Thermostat - Tape recorder - Photo-electric cell - microphone

Emile Aubrun spotting submarines from his aeroplane
The French aviator Emile Aubrun (1881-1967) at Cherbourg demonstrates that submarines under water can be detected from aircraft flying at a height of 500 metres

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