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English-Bulgarian polytechnical dictionary . 2013.
English-Bulgarian polytechnical dictionary . 2013.
Dolaucothi Gold Mines — The Dolaucothi Gold Mines (grid reference SN662403), also known as the Ogofau Gold Mine, are Roman surface and deep mines located in the valley of the River Cothi, near Pumsaint, Carmarthenshire, Wales. The gold mines are located within the… … Wikipedia
Golden Fleece — This article is about the mythological creature. For other uses, see Golden Fleece (disambiguation). Jason returns with the Golden Fleece on an Apulian red figure calyx krater, ca. 340–330 BCE In Greek mythology, the Golden Fleece (Greek:… … Wikipedia
De re metallica — Title page of 1556 edition … Wikipedia
Gold extraction — or recovery from its ores may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. [cite web url=http://geology.com/publications/getting gold/gold… … Wikipedia
Roman technology — is the engineering practice which supported Roman civilization and made the expansion of Roman commerce and Roman military possible over nearly a thousand years. The Roman Empire had the most advanced set of technology of their time, some of… … Wikipedia
coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… … Universalium
Silver mining — refers to the resource extraction of the precious metal element silver by mining.History of silver miningSilver has been known since ancient times. It is mentioned in the Book of Genesis, and slag heaps found in Asia Minor and on the islands of… … Wikipedia
Luentinum — was a fort and mining settlement in the Roman province of Britannia. It was associated with the Dolaucothi Gold Mines and its remains lie beneath the adjoining village of Pumsaint in the Welsh county of Carmarthenshire.The FortLuentinum appears… … Wikipedia
Ancient Greek technology — developed at an unprecedented speed during the 5th century BC, continuing up to and including the girls period, and beyond. Inventions that are credited to the ancient Greeks such as the gear, screw, rotary mills, screw press, bronze casting… … Wikipedia
Theophrastus — Statue of Theophrastus, Orto botanico di Palermo Full name Theophrastus Born c. 371 BC Eresos Died c. 287 BC … Wikipedia
Temple of Jerusalem — • In the Bible the sanctuary of Jerusalem bears the Hebrew name of Bet Yehovah (house of Jehovah) Catholic Encyclopedia. Kevin Knight. 2006. Temple of Jerusalem Temple of Jerusalem … Catholic encyclopedia