# Jean Romilly

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For other uses, see [Romilly (disambiguation)](/source/Romilly_(disambiguation)).

**Jean Romilly** (27 June 1714 – 16 February 1796) was an 18th-century Genevan watchmaker, journalist and [encyclopédiste](/source/Encyclop%C3%A9distes).

Born in a [Huguenot](/source/Huguenot) family which took refuge in Geneva following the [Edict of Fontainebleau](/source/Edict_of_Fontainebleau), Romilly became known by various improvements he made to his art. He realized, among other remarkable works, a watch that could go a whole year without being winded, but he left [Ferdinand Berthoud](/source/Ferdinand_Berthoud) the honor to give his invention the required degree of accuracy.

Romilly was one of the founders of the *[Journal de Paris](/source/Journal_de_Paris)* in 1777, and an editor of the *[Encyclopédie](/source/Encyclop%C3%A9die)* by Diderot and d’Alembert, to which he contributed articles on the theoretical part of [watchmaking](/source/Watchmaking).

His son, theologian [Jean-Edme Romilly](/source/Jean-Edme_Romilly) also collaborated with the *Encyclopédie*. His daughter, Jeanne, was general [Cavaignac](/source/Louis-Eug%C3%A8ne_Cavaignac)'s grandmother.

## Sources

- [E. Haag](/source/Fr%C3%A8res_Haag), *La France protestante*, t. 8, Paris, Joël Cherbuliez, 1858, (p. 513).
- G. H. Baillie: *Watchmakers and Clockmakers of the World.* (1929) Reprint Read Books, 2006, ISBN 1-4067-9113-X.
- Kathleen H. Pritchard: *Swiss Timepiece Makers 1775 – 1975.* Phoenix-Verlag, USA. ISBN 0-9146-5979-0.
- R.A. Leigh (Ed.): *Correspondance complète de Jean-Jacques Rousseau.* 52 vol. 1965–1998.

## External links

- [List of Romilly's contributions to the Encyclopédie](https://fr.wikisource.org/wiki/Auteur:Jean_Romilly) on Wikidource
- [Jean Romilly](http://dictionnaire-journalistes.gazettes18e.fr/journaliste/702-jean-romilly) on [Dictionnaire des journalistes](http://dictionnaire-journalistes.gazettes18e.fr)

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