Timeline Of Diving Technology
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rig that uses compressed oxygen. This prototype of closed-circuit scuba uses rope soaked in caustic potash to absorb carbon dioxide so the exhaled gas can be re-breathed.
1893: Louis Boutan invents the first underwater camera.
Decompression sickness becomes a problem
1841: First documented case of decompression sickness occurs, reported by a mining engineer who observed pain and muscle cramps among coal miners working in mine shafts air-pressurized to keep water out.
1870: Bauer publishes outcomes of 25 paralyzed caisson workers.
From 1870 to 1910 all prominent symptoms/causes will be established: explanations at the time included: cold or exhaustion causing reflex spinal cord damage; electricity caused by friction on compression; or organ
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