Inventing the portable clock would bring great advances to civilization. It was needed for the study of astronomy, physics, and for ship captains to calculate location – increasing the likelihood of the safe return of a ship, its cargo, and crew. Although the Egyptians first used the sundial by 1300 B.C, German locksmith Peter Henlein is one of the first recorded inventors to create a watch in the 1500s. The first watches were made of steel . The first watch-makers were locksmiths an
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