Atmospheric engine

(redirected from Newcomen steam engine)
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a steam engine whose piston descends by the pressure of the atmosphere, when the steam which raised it is condensed within the cylinder.

See also: Atmospheric

References in periodicals archive ?
Watt was working as an instrument-maker at the University of Glasgow when, in 1765, he made improvements to a Newcomen steam engine, adding a separate condenser which made it vastly more efficient.
Seven years later, he was presented by John Anderson, a professor of natural philosophy, with a model Newcomen steam engine in need of repair.
It was while repairing a model Newcomen steam engine in 1763 that Watt realised he could improve its efficiency by adding a steam condenser to avoid heat loss and conserve fuel.
| James Watt was an inventor, mechanical engineer, and chemist who improved on Thomas Newcomen's 1712 Newcomen steam engine with his Watt steam engine in 1781, which was fundamental to the changes brought by the Industrial Revolution in both his native Great Britain and the rest of the world.
One of his repair jobs for the university was reconditioning a model of a Newcomen steam engine, but even after repair he found it would barely work because the efficiency was so low.
In 1763 Watt was sent a Newcomen steam engine to repair.
The Newcomen steam engine had been doing productive work in England since 1710, but steam power had yet to be applied to moving vehicles.
It is hard to accept the concept that innovation, the product of research and research laboratories, could have been the "most studied subjects of all time." Directed research is a rather recent human activity hardly older than 300 years when the first machine made of metal parts, the Newcomen steam engine, was developed.
This year marks the 300th anniversary of the first known working Newcomen steam engine. Little is known about Thomas Newcomen's origins.
James Watt, an entrepreneur and mechanical engineer, was among the first to find other applications for the Newcomen steam engine, which was used primarily to pump water out of mines in the United Kingdom.
For half a century, the Newcomen steam engine had been used by miners despite its inefficiency.