Abraham Breguet
See also: Breguet
Abraham Louis Breguet (his name is written without acute accent, but " is generally pronounced; bréguet" ), born with Neuchâtel in Swiss the January 10th 1747 and died in Paris the September 17th 1823, is a Horloger and physicist Suisse.
Biography
Resulting from a family of Protesting S French refugees in Swiss, it settles in France towards 1762. It improves the perpetual watches which are gone up all alone by the movement that one prints to them while walking, invent spring-stamps, dial-works of repetition, exhausts of all kinds, a delicacy and a precision amazing hitherto, and employ the first the rubies in clock industry for the rubbing parts.
He invents and manufactures scientific instruments for the physicists and the astronomers and he is the originator of the wrist watch, in 1812, and of the mechanism Tourbillon. This skilful mechanic enriched science by a great number of astronomical stop watches, pendulums, marine clocks and metal thermometers. Clock and watch maker of the marine and member of the Office of longitudes, it is named member of the section of meanic of the Academy of Science by royal decree in 1816.
Its grandson, Louis Breguet, took part with Antoine Masson in the realization of an induction coil improved by Heinrich Daniel Ruhmkorff (Bobine of Ruhmkorff).
The company Breguet, which it founded, is established with the Abbey, village of the Vallée of Joux in Switzerland, and is today member of the Swatch Group.
Others
Marie-Antoinette, Napoleon, Talleyrand, Joséphine, the Queen Victoria and Winston Churchill had Breguet watches.
Notes, references
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