Quotes About Smelting

Scorpions like holes. We had to put our arms in the holes to dig out the smelting residues. We always performed critter checks before an excavation, but one morning, I put an arm in and felt a sharp pierce. When I brought my hand out, it was red and already swelling.

Despite their drawbacks, Newcomens revitalized the mining industry in north-central England.26 Between 1710 and 1733, when the patent expired, no fewer than 104 Newcomen engines were built in Britain and abroad.27 Many more would follow—550 or more by 1800—but coal's industrial uses were still limited.28 No one had yet devised a process for smelting good iron with coal; its primary market was still for home heating. As that market glutted, coal prices plummeted.

The British population that used coal for heating and cooking was increasing, from 5.2 million in 1700 to 7.8 million in 1800, and on up to 12 million by 1831. Industry used coal for Newcomen engines pumping out coal mines and pumping water, although much of that coal was essentially mine waste. But iron smelting with coked coal began a major expansion after 1750, radiating outward from the Darby enterprise at Coalbrookdale and rapidly replacing smelting with charcoal made from wood.

ALMOND-FURNACE  (A'LMOND-FURNACE)    or A'LMAN-FURNACE, called also the Sweep, is a peculiar kind of furnace used in refining, to separate metals from cinders and other foreign substances.Chambers.

Iron was smelted in what is now Nigeria five centuries before Christ.