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TOOLS and MACHINES - NEOLITIC

The origins of machine tools can be traced back to the upper Paleolithic period, about 6,000 BC, where our ancestors developed primitive blueprints, using pieces of wood to provide a structure and chipped stone as a tool.

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Device of the Neolithic era used in cutting stones.
Source: http://wwwo.metalica.com.br/usinagem-como-referencial-pre-historico



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Source: https://www.faganarms.com/products/dia-boli-cal-german-pride-propaganda-device-reconstruction-of-a-neolithic-stone-shaping-machine

A major breakthrough in this period was the transformation of the translation movement into rotational motion (with the direction of rotation reversed at each cycle). This principle was applied in a device called ** Pulled String Drilling **

The proof of the existence of this mechanism was a painting found in a tomb dating from 1450 BC.

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Source: http://wwwo.metalica.com.br/usinagem-como-referencial-pre-historico

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