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18 de may. de 2024 · Watch, portable timepiece that has a movement driven either by spring or by electricity and that is designed to be worn or carried in the pocket. The first watches appeared shortly after 1500, early examples being made by Peter Henlein, a locksmith in Nürnberg, Ger. The escapement used in the early.
Hace 5 días · During the 16th century, timekeepers became more refined and sophisticated, so that by 1577 the Danish astronomer Tycho Brahe was able to obtain the first of four clocks that measured in seconds, and in Nuremberg, the German clockmaker Peter Henlein was paid for making what is thought to have been the earliest example of a watch, made in 1524.
Hace 2 días · Peter Andreas Thiel (/ t iː l /; born 11 October 1967) is an American entrepreneur, venture capitalist, and political activist. A co-founder of PayPal, Palantir Technologies, and Founders Fund, he was the first outside investor in Facebook.
21 de may. de 2024 · During the middle ages the free city of Nuremberg was one of the most influential and wealthy in Europe. It led in art and craftsmanship, and was, above all, famous for the inventions of its master locksmiths. The most noted of these was Peter Henlein who, so far as is known, made the first watch.
4 de may. de 2024 · In the annals of pocket watch history, Peter Henlein, a German clockmaker, is credited with the invention of the pocket watch in the early 16th century. As pocket watch history unfolds, Henlein’s creation marked the beginning of portable timekeeping devices.
Hace 4 días · Spring-driven clocks appeared during the 15th century, although they are often erroneously credited to Nuremberg watchmaker Peter Henlein (or Henle, or Hele) around 1511. [45] [46] [47] The earliest existing spring driven clock is the chamber clock given to Phillip the Good, Duke of Burgundy, around 1430, now in the Germanisches Nationalmuseum . [4]
13 de may. de 2024 · Robert A. Heinlein (born July 7, 1907, Butler, Missouri, U.S.—died May 8, 1988, Carmel, California) was a prolific American writer considered to be one of the most literary and sophisticated of science-fiction writers. He did much to develop the genre.
