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Bronzes. A bronze is an alloy of copper and other metals, most often tin, but also aluminium and silicon. Aluminium bronzes are alloys of copper and aluminium. The content of aluminium ranges mostly between 5% and 11%. Iron, nickel, manganese and silicon are sometimes added.
The conservation and restoration of copper and copper-alloy objects is the preservation and protection of objects of historical and personal value made from copper or copper alloy. When applied to items of cultural heritage, this activity is generally undertaken by a conservator-restorer . Historically, objects made from copper or copper alloy ...
The Old Copper complex or Old Copper culture is an archaeological culture from the Archaic period of North America's Great Lakes region. Artifacts from some of these sites have been dated from 7500 to 1000 BCE. [1] [page needed] It is characterized by widespread copper artifacts, including tools and weapons, as well as ornamental objects.
Etowah plates. Rogan Plate 1, falcon dancer plate found at Etowah, but believed to be fabricated at Cahokia in the 13th century. The Etowah plates, including the Rogan Plates, are a collection of Mississippian copper plates discovered in Mound C at the Etowah Indian Mounds near Cartersville, Georgia. Many of the plates display iconography that ...
The Copper Age, also called the Eneolithic or the Chalcolithic Age, has been traditionally understood as a transitional period between the Neolithic and the Bronze Age, in which a gradual introduction of the metal ( native copper) took place, while stone was still the main resource utilized. Recent archaeology has found that the metal was not ...
Limb restraint. Limb restraints can be physical (or psychological) restraints that inhibit an individual's movement in their arms or legs. The most common limb restraint is physical, whereby restraints are fixed to the individual in order to prevent movement of the limbs. They are most commonly used within the field of medicine.
Iron was plentiful back then and allowed smaller nations in Greece to arm themselves with weapons that were lighter and stronger than copper. Bronze was still used but rare because of how hard it was to find tin, and therefore the weapons of ancient Greece were made of iron and copper. This would help them in the Greco-Persian Wars. [citation ...
An ordinary embowed has the edges bowed inwards producing a concavity; this is sometimes more explicitly blazoned inwardly embowed. Its opposite is enarched . This variation is most often applied to the chevron and pile . The term embowed is also applied to bent arms and legs, arched fish, and serpents in circles.