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Bronze is an alloy consisting primarily of copper, commonly with about 12–12.5% tin and often with the addition of other metals (including aluminium, manganese, nickel, or zinc) and sometimes non-metals (such as phosphorus) or metalloids (such as arsenic or silicon).
In East Africa, the rise of the Swahili Coast trading states facilitated the exchange of iron goods and metallurgical knowledge with the broader Indian Ocean world. [11] The Great Lakes region, particularly in modern-day Uganda and Rwanda, became known for its high-quality iron production, which supported both local agriculture and regional trade.
Phosphor bronze propeller salvaged from 1940s American warship.. Phosphor bronze is a member of the family of copper alloys.It is composed of copper that is alloyed with 0.5–11% of tin and 0.01–0.35% phosphorus, and may contain other elements to confer specific properties (e.g. lead at 0.5–3.0% to form free-machining phosphor bronze).
The Ife Head was the symbol for the 1973 All-Africa Games in Lagos. [16] The Ife Head held by the British Museum was included in the 2010 major exhibition Kingdom of Ife: Sculptures from West Africa, developed in partnership with Nigeria's National Commission for Museums and Monuments, the Museum for African Art, New
In West Africa, there is a great deal of documentation about copper in trade, but the travelers who wrote these documents only visited the major centers of West African polities and there is no information on the people who lived out the polities or from the savanna and forest zones to the south, in terms of their use of copper.
Pages in category "Bronze sculptures in South Africa" The following 7 pages are in this category, out of 7 total. This list may not reflect recent changes. A.
The royal arts of the Benin Kingdom of southern region Nigeria affirm the centrality of the Oba, or divine king, portraying his divine nature. While recording the kingdom's significant historical events and the Oba's involvement with them, they also initiate the Oba's interactions with the supernatural and honor his deified ancestors, forging a continuity that is vital to the kingdom's well-being.
Italy pioneered the use for coinage of an aluminium-bronze alloy called bronzital (literally "Italian bronze") in its 5- and 10-centesimi from 1939. Its alloy was finalized in 1967 to 92% copper, 6% aluminium, and 2% nickel, [ 5 ] and was since used in the 20, 200 and 500 Italian Lira coins until 2001.