Archimedes inventions

SS Archimedes

First steamship driven by screw propeller

For other ships with the same name, see Archimedes (ship).

SS Archimedes

History
NameArchimedes
NamesakeArchimedes of Syracuse
OwnerShip Propeller Company
BuilderHenry Wimshurst (London)
Cost£10,500
Launched18 October 1838
Completed1839
Maiden voyage2 May 1839
In service2 May 1839
RefitAs a sailing ship, date unknown
FateReportedly ended career in Chile–Australia service, 1850s
General characteristics
TypeSteam powered schooner
Tons burthen237
Length125 ft (38 m)
Beam22 ft (6.7 m)
Draught8–9 ft (2.4–2.7 m)
Depth of hold13 ft (4.0 m)
Installed power2 × 30 hp (22 kW), 25–30 rpm twin-cylinder Rennievertical steam engines, with 37-inch cylinders and 3-foot stroke
Propulsion1 x full helix, single turn, single threaded iron propeller operating at 130–150 rpm, auxiliary sails
Sail planThree-masted, schooner-rigged
SpeedAbout 10 mph (16 km/h) (under st

Archimedes

Archimedes of Syracuse (circa 287 BC - 212 BC), was a Greek mathematician, astronomer, physicist and engineer.

Discoveries

Archimedes is one of the greatest mathematicians of all time. He became a popular figure as a result of his involvement in the defense of Syracuse against the Roman siege in the First and Second Punic Wars. He is reputed to have held the Romans at bay with war engines of his design; to have been able to move a full-size ship complete with crew and cargo by pulling a single rope; to have discovered the principles of density and buoyancy while taking a bath (thereupon taking to the streets naked calling "eureka" - "I have found it!"); and to have invented the irrigation device known as Archimedes' screw.

In creativity and insight, he exceeded any other mathematician prior to the European renaissance. In a civilization with an awkward numeral system and a language in which "a myriad" (literally ten thousand) meant "infinity", he invented a positional numeral system and used it to write numbers up to 1064. He devised a heuristic method based

ARCHIMEDES

ca. 287-212 B.C.

Greek mathematician

Archimedes is considered to be the greatest mathematician of the ancient world. He played a major role in the development „ of mathematics after Euclid, making significant contributions to geometry and physics. Archimedes is also remembered for several ingenious inventions.

Life of Archimedes. Archimedes was born about 287 B.C. in the Greek colony of Syracuse on the island of Sicily. The son of an astronomer, Archimedes studied in Alexandria in Egypt, an important center of Hellenistic* culture. According to historians, Archimedes designed one of his most famous inventions while in Alexandria—a mechanical device for raising water from the Nile River into canals for the irrigation of nearby farm fields. Known as Archimedes’ screw, the device consisted of a screw-shaped spiral enclosed in a cylinder. When the bottom of the device was placed in water and the cylinder rotated, water traveled up the spiral and flowed out the top. Modern versions of Archimedes’ screw are still in use in some parts of Egypt.

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