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SOUND MIRRORS AND OTHER SENSORY EXPANSION DEVICES: FROM WARTIME TECHNOLOGY TO RADICAL ART PRACTICES

Sound Mirrors and Other Sensory Expansion Devices: From Wartime Technology to Radical Art Practices

Sound Mirrors, Acoustic Horns and War Tubas were the only means of detecting enemy aircraft before the invention of radar – and for some time after.

Sound Mirrors, Acoustic Horns and War Tubas were the only means of detecting enemy aircraft before the invention of radar – and for some time after.

Tacita Dean, Sound Mirror, 2001                                                                                                                                                                                 More

Dating back to the pre-war period, these colossal sound mirrors were built along the coasts of England and France as an experimental listening ear – a defense mechanism. A lone sound technician would.

During World War I, aerial warfare became increasingly important. Zeppelin airships conducted bombing raids on the south coast of England, and winged aircraft were employed as bombers by both sides. If their approach was detected, fighter aircraft could head off the enemy or shoot them down.  Giant WWI "war tubas" were designed to hear aircraft engines from a distance, Some were small and portable, for the use of one person. The operator listened using stethoscope-style headphones.

Giant WWI "war tubas" were pretty much exactly what they sound like

Post with 32061 views. Japanese soldiers demonstrate the use of a Japanese War Tuba, Japan /u/Freefight

t-s-k-b:  1914-28 - Submarine Armor - Harry L. Bowdoin (American) - cyberneticzoo.com

- Submarine Armor - Harry L. Bowdoin has created an all-metal diving suit, which will permit man to explore the oceans more than 200 feet beneath the waves.

The Strange and Wonderful History of Diving Suits, From 1715 to Today

The Strange and Wonderful History of Diving Suits, From 1715 to Today

The JIM suit was invented in 1969 by Mike Humphrey and Mike Borrow, partners in the English firm Underwater Marine Equipment Ltd (UMEL), assisted by Joseph Salim Peress. JIM is named after Jim Jarrett, Tritonia suit diver and Lusitania explorer.

sound mirrors - Google-søk

sound mirrors - Google-søk

Sound Mirrors: Before Radar, Hearing Was Believing

Sound Mirrors, Acoustic Horns and War Tubas were the only means of detecting enemy aircraft before the invention of radar – and for some time after.

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