Timeline Of Diving Technology

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The first diving regulator

1838: Dr. Manuel Guillaumet invented a twin-hose demand regulator. It was demonstrated used as surface-demand. Use duration was limited to 30 minutes by diving in cold water without a diving suit.

1839 Canadian inventors James Eliot and Alexander McAvity of Saint John, New Brunswick patent an “oxygen reservoir for divers”, a device carried on the diver’s back containing “a quantity of condensed oxygen gas or common atmospheric air proportionate to the depth of water and adequate to the time he is intended to remain below”.

1839: W.H.Thornthwaite of Hoxton in London patented an inflatable lifting jacket for divers .

Around 1842: The Frenchman Joseph Cabirol starts making standard diving dress.

1843:

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