1717 - 1785
Pierre Le Roy French Inventor
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Pierre Le Roy is a member of the following lists: French inventors, Members of the French Academy of Sciences and Scientific instrument makers.
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Details
| First Name |
Pierre
|
| Middle Name |
Le
|
| Last Name |
Roy
|
| Birthday |
30th November, 1716
|
| Died |
1785
|
| Nationality |
French
|
| Occupation |
Inventor
|
Pierre Le Roy (1717–1785) was a French clockmaker. He was the inventor of the detent escapement, the temperature-compensated balance and the isochronous balance spring. His developments are considered as the foundation of the modern precision clock. Le Roy was born in Paris, eldest son of Julien Le Roy, a clockmaker to Louis XV who had worked with Henry Sully, in which place Pierre Le Roy succeeded his father. He had three brothers: Jean-Baptiste Le Roy (1720-1800), a physicist; Julien-David Le Roy (1724–1803), an architect; and Charles Le Roy (1726–1779), a physician and encyclopédiste.
