Topic

Mining

Where the materials actually come from, and at what cost.

1: in technology
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11:53

Newcomen atmospheric engine

Thomas Newcomen · 1712

The Newcomen atmospheric engine was the first practical steam-powered device to produce mechanical work. It solved the problem of mine flooding beyond the 30-foot vacuum limit by using atmospheric pressure to drive a piston linked to a rocking beam and force pump. It worked by condensing steam in a cylinder to create a partial vacuum, allowing air pressure to push the piston down. Its motion lifted a weighted rod that operated a pump. It was inefficient due to repeated cylinder cooling, but matched the engineering limits of its time. Hundreds were built across Britain and Europe during the 18th century, with the first successful installation in 1712 at Conygree Coalworks in Tipton.

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Silicon Graphics

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