Screw steamer
A screw steamer or screw steamship is an old style term for a steamship or steamboat, powered by a steam engine, using one or more propellors, also known as screws, to propel it through the water. Such a ship was also known as an 'iron screw steam ship'.
In the 19th century, this designation was normally used in contradistinction to the paddle steamer, a still earlier form of steamship that was largely, but not entirely, superseded by the screw steamer.[1]
The screw or propeller was first developed by Swedish inventor John Ericsson for the U.S. Navy. Ericsson was the principal designer of the monitor class of vessels.[2]
See also
References
- ^ Canney, 1998 pp.11-13
- ^ Canney, 1998 pp.26-27
Bibliography
- Canney, Donald L. (1998). Lincoln's Navy: The Ships, Men and Organization, 1861-65. Naval Institute Press. p. 232.
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