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An illustration of Hero's aeolipile. An aeolipile, aeolipyle, or eolipile, from the Greek "Αἰόλου πύλη," lit. ' Aeolus gate ', also known as a Hero's (or Heron's) engine, is a simple, bladeless radial steam turbine which spins when the central water container is heated.
The video for Röyksopp's Eple (2003), features a specific kind of cutout animation, continuously zooming out and panning through many old (still) pictures that are seamlessly combined. The technique is a variation of the Ken Burns effect , which has often been used in documentary films to add motion to still imagery, but rarely as a standalone ...
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An oscillating cylinder steam engine is a variant of the simple expansion steam engine which does not require valves to direct steam into and out of the cylinder. Instead of valves, the entire cylinder rocks, or oscillates, such that one or more holes in the cylinder line up with holes in a fixed port face or in the pivot mounting ( trunnion ).
Two Mamod SE3 twin-cylinder steam engines from 1969. The engine on the left is the Griffin & George version, and the version on the right displays push button whistle and screw-on crank webs. A 1949 Mamod SE2 engine showing new pressed steel engine frame and superheated boiler. Mamod Minor engines from 1949 and 1954.
Newcomen's atmospheric steam engine. The first practical mechanical steam engine was introduced by Thomas Newcomen in 1712. Newcomen apparently conceived his machine independently of Savery, but as the latter had taken out a wide-ranging patent, Newcomen and his associates were obliged to come to an arrangement with him, marketing the engine until 1733 under a joint patent. [2]
The company introduced high-pressure steam engines to the riverboat trade in the Mississippi watershed. The first high-pressure steam engine was invented in 1800 by Richard Trevithick. [44] The importance of raising steam under pressure (from a thermodynamic standpoint) is that it attains a higher temperature. Thus, any engine using high ...
Oliver Evans was born in Newport, Delaware on September 13, 1755, to Charles and Ann Stalcop Evans. His father was a cordwainer by trade, though he purchased a large farm to the north of Newport on the Red Clay Creek and moved his family there when Oliver was still in his infancy. [1]