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Vintage Revere Ware, manufactured before 1968 and carrying the prized "Process Patent" maker's mark on the thick copper bottom, is finding its way back into modern kitchens. (Photo courtesy of Blane van Pletzen-Rands) Revere Ware was a line of consumer and commercial kitchen wares introduced in 1939 by the Revere Copper and Brass Corp.
Reconstruction of Ötzi's copper axe (c. 3300 BCE). 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.
Copper is generally considered to be a soft metal, meaning it can be worked without heating. Over a period of working the metal in this way it can "work-harden". This means that the atoms within the copper are compressed and irregular in their arrangement. This causes stress in the metal and eventually cracking the metal along these stress points.
South American metal working seems to have developed in the Andean region of modern Peru, Bolivia, Ecuador, Chile, and Argentina with gold and native copper being hammered and shaped into intricate objects, particularly ornaments. [1] [5] Recent finds date the earliest gold work to 2155–1936 BC. [1] and the earliest copper work to 1432–1132 BC.
Along the once heavily timbered walls were found the remains of about twenty clay vessels, six work axes and a battle axe, which all came from the last period of the culture. There were also the cremated remains of at least six people. It is the earliest find of cremation in Scandinavia and it shows close contacts with Central Europe. [citation ...
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Ancient Greek weapons and armor were primarily geared towards combat between individuals. Their primary technique was called the phalanx , a formation consisting of massed shield wall, which required heavy frontal armor and medium-ranged weapons such as spears. [ 1 ]