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Codex Atlanticus, folio 881r


Leonardo's submarine was a sabotage weapon device, its purpose meant to allow its pilot to sneak up on the opposing ship and procure a breach, thanks to a tool similar to a hand drill.

The weapon was composed of two parts: a traditional boat and the submarine connected to it by lines. The pilot entered the submarine through a hatch, wore goggles for underwater vision and breathed through a tube.
It is not a watertight machine like modern U-boats, but it can still move smoothly thanks to a device connected to fins and powered by the pilot's power.
L3 Collection
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