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Small dome for breathing and flexible pipe

Cupolino per respirare e canna flessibile

Leonardo designs for the diver an ingenious breathing system which makes use of short reeds combined together by means of leather joints. A steel spiral is inserted in the joints in order to prevent the compression caused by the water pressure. The respiration pipes reach the surface of the water where they are supported and protected by a special floating system that allows the air flow and prevents a water income.

Codex Arundel, sheet 24 v. 1490 ca.


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