Discovered the secret of the development of ancient metallurgists

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The ancient tribes began to smelt copper from 4000 years before our era, having made the jump in production in 925 BC

Scientists are unable to explain the sharp jump in the development of industry civilization of the ancient city of Edom. It is reported online edition of the Chronicle.info with reference to the Correspondent.

In the city of Edom, located on the territory of modern Israel and Jordan, had a developed industry, particularly smelting copper.

The experts examined the wastes of the ancient smelters, and learned the history of the development of the industry. The ancient people of Edom began to smelt copper from 4000 years BC.

They used charcoal to heat the steel plants. With 1300 by 800 BC the copper content in the slag decreased from 1.49 to 1.14 percent. This proves that the process of smelting all the time improved.

In the second half of the tenth century BC discovered a sharp improvement in smelting, reducing the copper content in the waste of 0.5%. Scientists have found that this jump coincides with the military campaign of the Egyptian Pharaoh Shoshenq I in 925 BCE

The war increased demand for copper, and the inhabitants of Edom began to introduce new technologies, for example, melting at different temperatures, the oxygen supply to the furnace, or the ratio of the added minerals.

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