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Perhaps the first example of a human made device designed to manage power is the hand ax

This section requires . (March 2012)

The word used as a (near-)synonym both by Harris and in later language derives ultimately (via Old French) from Latin ingenium "ingenuity, an invention".

Machine, or Engine, in Mechanicks, is whatsoever hath Force sufficient either to raise or stop the Motion of a Body... Simple Machines are commonly reckoned to be Six in Number, viz. the Ballance, Leaver, Pulley, Wheel, Wedge, and Screw... Compound Machines, or Engines, are innumerable.

A wider meaning of "fabric, structure" is found in classical Latin, but not in Greek usage. This meaning is found in late medieval French, and is adopted from the French into English in the mid-16th century. In the 17th century, the word could also mean a scheme or plot, a meaning now expressed by the derived . The modern meaning develops out of specialized application of the term to used in and to military , both in the late 16th and early 17th centuries. The traces the formal, modern meaning to ' (1704), which has:

The word derives from the word machina, which in turn derives from the ( ООaП ОaОµО\ makhana, ООgП ОaОµО^ mekhane "contrivance, machine, engine", a derivation from Об П ОП mekhos "means, expedient, remedy" ).

A is a device that simply transforms the direction or magnitude of a , but a large number of more complex machines exist. Examples include , , , , , and .

A machine is a that consists of one or more parts, and uses to achieve a particular . Machines are usually by mechanical, chemical, thermal, or electrical means, and are frequently . Historically, a powered tool also required moving parts to classify as a machine; however, the advent of has led to the development of powered tools without moving parts that are considered machines.

James Albert Bonsack's cigarette rolling machine, invented in 1880 and patented in 1881.

This article is about devices that perform tasks. For other uses, see .

From Wikipedia, the free encyclopedia

Machine - Wikipedia, the free encyclopedia