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Laguna Copperplate Inscription. The Laguna Copperplate Inscription (Filipino: Inskripsyón sa binatbát na tansô ng Laguna) is an official acquittance (debt relief) certificate inscribed onto a copper plate in the Shaka year 822 (Gregorian A.D. 900). It is the earliest-known, extant, calendar-dated document found within the Philippines.
Production trends in the top five copper-producing countries, 1950-2012. This is a list of countries by mined copper production. Copper ore can be exported to be smelted so that a nation's smelter production of copper can differ greatly from its mined production. See: List of countries by copper smelter production.
The Balinese copperplate inscription or Sembiran inscription is a collection of ten copper plate inscriptions, which were found in the village of Sembiran, Tejakula district, Buleleng Regency, on the northern part of Bali island. [ 1][ 2] All inscription plates have a date, which is between 922 and 1181 CE, so they include more than 200 years. [ 3]
The Pahcimbhag copperplate inscription, Srichandra Paschimbhag copperplate inscription[1] or simply Chandrapur inscription is a copperplate inscription issued in 935 by Srichandra, the second king of the Chandra Dynasty of south-east Bengal. The inscription was discovered in the village of Paschimbhag, Moulvibazar district (then a Mahakuma). [4]
The Velvikudi inscription is an 8th-century bilingual copper-plate grant from the Pandya kingdom of southern India. Inscribed in Tamil and Sanskrit languages, it records the renewal of a grant of the Velvikudi village to a brahmana by the Pandya king Nedunjadaiyan Varaguna-varman I alias Jatila Parantaka (r. c. 768—815 CE) in c. 769-770 CE.
Copper sheathing. Copper sheathing is a method for protecting the hull of a wooden vessel from attack by shipworm, barnacles and other marine growth through the use of copper plates affixed to the surface of the hull, below the waterline. It was pioneered and developed by the Royal Navy during the 18th century.
Copper electroplating. Copper plating on aluminium. Copper electroplating is the process of electroplating a layer of copper onto the surface of a metal object. Copper is used both as a standalone coating and as an undercoat onto which other metals are subsequently plated. [ 1 ] The copper layer can be decorative, provide corrosion resistance ...
The Kollam (Quilon) Syrian copper plates, also known as the Kollam Tarisappalli copper plates, document a royal grant issued by Ayyan Adikal, the chieftain of Kollam, to a Syrian Christian merchant named Mar Sapir Iso in Kerala, India. The inscription is engraved on six copper plates in Old Malayalam or early Middle Tamil, using Vattezhuthu ...