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A Katanga cross (French: croisette du Katanga), also called a handa, is a cast copper ingot in the shape of an equal-armed cross which was once used as a form of currency in parts of what is now the Democratic Republic of the Congo (DRC) in the 19th and early 20th centuries. Katanga crosses were made in various sizes, typically about 20 ...
During colonial times the brass and bronze industries were almost non-existent because the British demanded all copper ore be sent to Britain for processing. [5] Copper based alloy ingots weighed approximately 20 pounds (9.1 kg). [6] [7]
Prior to the establishment of the Qing dynasty, the Aisin Gioro clan established the Later Jin dynasty, named after the Jin dynasty of the Wanyan clan. [5] Nurhaci had united the many tribes of the Jianzhou and Haixi Jurchens under the leadership of the Aisin Gioro clan, [6] and later ordered the creation of the Manchu script based on the Mongolian vertical script.
Roman currency names survive today in many countries via the Carolingian monetary system, such as the dinar (from the denarius coin), the British pound (a translation of the Roman libra, a unit of weight), the peso (also a translation of libra), and the words for the general concept of money in the Iberian Romance languages (e.g. Spanish dinero ...
At this stage, large quantities of copper and tin ingots (i.e., 10 tons of Cu and 3 tons of Sn ingots in one cargo of Uluburun shipwreck from the 14th century BCE) were found all over the coasts of the Mediterranean and in several shipwrecks under the sea, mainly off the southern coast of Turkey. [20]
The Casino project inferred resources including reserves containing 21.1 million troy oz gold, 10.7 billion lb copper, and 169.5 million lb molybdenum. In addition, the project also has 20 million ...