The first ship-screw (propeller) has been constructed by Yosip Ressel in 1827 (the first steamers were constructed with paddles). Joseph Ressel was of the Czech and German origin, working as engineer of forestry in the lovely Istrian town of Motovun. It is interesting that this important discovery was inspired by ordinary spiral corkscrew. The first propellers were tested on a boat in Trieste. The first journey across the Atlantic with screw-driven ship was in 1839 within 40 days, with Ressel’s screw improved by Swedish engineer John Ericsson.

It has led to contemporary ship-screw: