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  1. › wiki › ScrewdriverScrewdriver - Wikipedia

    The earliest documented screwdrivers were used in the late Middle Ages.They were probably invented in the late 15th century, either in Germany or France.The tool's original names in German and French were Schraubenzieher [circular reference] (screwpuller) and tournevis (turnscrew), respectively.

  2. › wiki › Clan_GunnClan Gunn - Wikipedia

    The first 'chief' of the Clan Gunn to appear in historical records definitively was George Gunn, who was the crouner or coroner of Caithness during the 15th century. The later Celtic patronymic of the Gunn chiefs may have been MacSheumais Chataich , however 'George' Gunn was widely known as Am Braisdeach Mor which means the great brooch-wearer . [8]