Hooke's gearing
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Tompion, Thomas — (baptized July 25, 1639, Northill, Bedfordshire, Eng. died Nov. 20, 1713, London) British clockmaker. Working closely with Robert Hooke and Edward Barlow, he made one of the first English watches with a balance spring and patented the cylinder… … Universalium
Contact mechanics — Continuum mechanics … Wikipedia
watch — /woch/, v.i. 1. to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed. 2. to look or wait attentively and expectantly (usually fol. by for): to watch for a … Universalium
List of inventors — This is a list of inventors. See also: List of scientists, Timeline of invention, List of inventions named after people, List of inventors killed by their own inventions, and . Alphabetical list compactTOC NOTOC A * Vitaly Mikhaylovich Abalakov,… … Wikipedia
Springboard — A springboard or diving board is used for diving and is a board that is itself a spring, i.e. a linear flex spring, of the cantilever type.Springboards are commonly fixed by a hinge at one end (so they can be flipped up when not in use), and the… … Wikipedia
History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… … Wikipedia
