The Grand Pont, designed by the cantonal engineer, Adrien Pichard (1790--1841), was built 1839-1844, while the Barre tunnel was pierced 1851-1855 and the bridge of Chauderon was built in 1905.
Helvetius, Claude Adrien (1715-1771), French philosopher and litterateur, was born in Paris in January 1715.
The director, Schmalfuss, encouraged him in his mathematical studies by lending him books (among them Leonhard Euler's works and Adrien Marie Legendre's Theory of Numbers), which Riemann read, mastered and returned within a few days.
The latter combination had also been ineffectually proposed in 163 4 by Jean Baptiste Morin (1583-1656); and both devices were recontrived at Paris about 1667, the micrometer by Adrien Auzout (d.
This included several popular publications, such as the Nouveau manuel complet de numismatique ancienne (1851; second edition, revised, 1890), and the Nouveau manuel complet de numismatique du moyen age et moderne (1853; new edition revised by Adrien Planchet), and a large number of monographs and articles in the technical reviews.
In the estate of the nobility he headed the liberal minority under the guidance of Adrien Duport, and led the minority of forty-seven noblemen who seceded from their own estate (June 1789) and joined the Tiers Etat.
In 1559 du Bellay published at Poitiers La Nouvelle Maniere de faire son profit des lettres, a satirical epistle translated from the Latin of Adrien Turnebe, and with it Le Poete courtisan, which introduced the formal satire into French poetry.
Etienne Dumont, Claviere, Antoine Adrien Lamourette and Etienne Salomon Reybaz were but a few of the most distinguished of his collaborators.