E413 -- De promotione navium sine vi venti (Memoire sur la manier de suppleer a l'action du vent)

(On the movement of ships without the force of the wind)

(based on C. Truesdell's An idiot's fugitive essays on science: methods, criticisms, training, circumstances)
This work was submitted to the Paris Academy Prize Competition in 1753. Euler analyzes various ways of propelling ships, including via paddle wheel, screw propeller, and water jet. He applies his field theory of hydrodynamics to this problem. He was awarded an “Accessit” ('honorable mention') in 1753.

Motto on the title page: “Tali remigio navis se tarda movebat. Virg. Aeneid. Liv. 5.”

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