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Cambarysu Cross Section
The cambarysu was a drum which Jose Bach said he saw the Catuquinaru tribe of Brazil use, when he visited them in 1896–97, to communicate between villages": telefono dei Catuquinarú p'' (1898)''Nordisk tidskrift för vetenskap, konst och industri'' (1899), edited by Claes Annerstedt, Oscar MonteliusRichard Hennig, ''Telegraphensysteme der Naturvoelker'', in ''Prometheus: Illustrierte Wochenschrift über die Fortschritte'', volume 20, number 1013 (24 March 1909) It consisted of a hollow palm-wood cylinder about 1 m deep and 40 cm in diameter, filled with a layer of fine sand at the bottom, then a layer of pieces of wood, pieces of bone, and pulverised mica Micas ( ) are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates. This characteristic is described as perfect basal cleavage. Mica is ..., with a narrow empty space above it, capped by leather, then wood, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cambarysu Cross Section
The cambarysu was a drum which Jose Bach said he saw the Catuquinaru tribe of Brazil use, when he visited them in 1896–97, to communicate between villages": telefono dei Catuquinarú p'' (1898)''Nordisk tidskrift för vetenskap, konst och industri'' (1899), edited by Claes Annerstedt, Oscar MonteliusRichard Hennig, ''Telegraphensysteme der Naturvoelker'', in ''Prometheus: Illustrierte Wochenschrift über die Fortschritte'', volume 20, number 1013 (24 March 1909) It consisted of a hollow palm-wood cylinder about 1 m deep and 40 cm in diameter, filled with a layer of fine sand at the bottom, then a layer of pieces of wood, pieces of bone, and pulverised mica Micas ( ) are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates. This characteristic is described as perfect basal cleavage. Mica is ..., with a narrow empty space above it, capped by leather, then wood, an ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Drums In Communication
Developed and used by cultures living in forested areas, drums served as an early form of long-distance communication, and were used during ceremonial and religious functions. Types Talking Drum While this type of hourglass-shaped instrument can be modulated quite closely, its range is limited to a gathering or market-place, and it is primarily used in ceremonial settings. Ceremonial functions could include dance, rituals, story-telling and communication of points of order. Some of the groups of variations of the talking drum among West African ethnic groups: *Tama (Wolof of Senegal) *Gan gan, Dun Dun (Yoruba of Nigeria and eastern Benin) *Dondo (Akan of central Ghana and Cote d'Ivoire) *Lunna ( Dagomba of northern Ghana; Mossi of Burkina Faso) *Kalangu (Hausa of northern Nigeria, Niger, northern Ghana, Benin and Cameroon) *Doodo ( Songhai and Zarma of Mali, Burkina Faso, and Niger) In the 20th century the talking drums have become a part of popular music in West Africa, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 States of Brazil, states and the Federal District (Brazil), Federal District. It is the largest country to have Portuguese language, Portuguese as an List of territorial entities where Portuguese is an official language, official language and the only one in the Americas; one of the most Multiculturalism, multicultural and ethnically diverse nations, due to over a century of mass Immigration to Brazil, immigration from around the world; and the most populous Catholic Church by country, Roman Catholic-majority country. Bounded by the Atlantic Ocean on the east, Brazil has a Coastline of Brazi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mica
Micas ( ) are a group of silicate minerals whose outstanding physical characteristic is that individual mica crystals can easily be split into extremely thin elastic plates. This characteristic is described as perfect basal cleavage. Mica is common in igneous and metamorphic rock and is occasionally found as small flakes in sedimentary rock. It is particularly prominent in many granites, pegmatites, and schists, and "books" (large individual crystals) of mica several feet across have been found in some pegmatites. Micas are used in products such as drywalls, paints, fillers, especially in parts for automobiles, roofing and shingles, as well as in electronics. The mineral is used in cosmetics and food to add "shimmer" or "frost." Properties and structure The mica group is composed of 37 phyllosilicate minerals. All crystallize in the monoclinic system, with a tendency towards pseudohexagonal crystals, and are similar in structure but vary in chemical composition. Micas are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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