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The Mlambalasi Rock Shelter is a historic site located in Iringa District of Iringa Region in southern Tanzania, 50 km away from Iringa City. [2] Excavations in 2006 and 2010 by the Iringa Region Archaeological Project uncovered artifactual deposits from the Later Stone Age (LSA), the Iron Age, and the historic periods, as well as external ...
Sandblasting, sometimes known as abrasive blasting, is the operation of forcibly propelling a stream of abrasive material against a surface under high pressure to smooth a rough surface, roughen a smooth surface, shape a surface or remove surface contaminants. A pressurised fluid, typically compressed air, or a centrifugal wheel is used to ...
Fenton Art Glass says it's exploring the sales of one or more of its product lines." [34] Fenton ceased "traditional" glassmaking at the Williamstown, West Virginia, factory in July 2011. However, the factory remained open as a jewelry making operation, producing handcrafted glass beads and Teardrop earrings.
Anglo-Saxon glass has been found across England during archaeological excavations of both settlement and cemetery sites. Glass in the Anglo-Saxon period was used in the manufacture of a range of objects including vessels, beads, windows and was even used in jewellery. [ 1] In the 5th century AD with the Roman departure from Britain, there were ...
Uranium glass is glass which has had uranium, usually in oxide diuranate form, added to a glass mix before melting for colouration. The proportion usually varies from trace levels to about 2% uranium by weight, although some 20th-century pieces were made with up to 25% uranium. [ 1][ 2] First identified in 1789 by German chemist Martin Heinrich ...
Glass beads are usually categorized by the method used to manipulate the glass – wound beads, drawn beads, and molded beads. There are composites, such as millefiori beads, where cross-sections of a drawn glass cane are applied to a wound glass core. A very minor industry in blown glass beads also existed in 19th-century Venice and France.
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