It was the invention of the screw-propeller that made steam propulsion for warships really practical.
Ericsson began the construction of a screw-propeller in a bath-room.
This term generally alludes to the Archimedean screw, or screw-propeller.
Trevithick's claim to the invention of the screw-propeller was disputed.
With the screw-propeller in its present form we may close our story of the boat.
She was a screw-propeller, and rigged as a fore-topsail schooner.
Also, in steam navigation, the distance between two contiguous threads of the screw-propeller, is termed the pitch.
It consisted of two line-of-battle-ships, a frigate, and a screw-propeller, under command of the British Admiral in the Pacific.
A screw-propeller afforded means of propulsion, and phosphorescent gauges and compasses enabled him to steer with some accuracy.
A sailing vessel is backed by means of the sails, a steamer by reversing the paddles or screw-propeller.