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Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Built on the principle of “garde temps”, quarter and half quarter hour repeater with double wheel duplex escapement sold to Monsieur Egerston (Egerton) on 17 December 1813 for 3,000 FF .
Cylinder escapement, quarter hour repeater.
Lever escapement, quarter hour repeater
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Finished by son Pierre Le Roy, Sully escapement, calendar.
Souscription watch
Escapement by Paul Garnier
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Garde temps with detent pivotè escapement, sold to Prince Sergey Sergeevich Gagarine, 1 May 1810 for 1,200 FF, as recorded in Moreau's archives.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
“Resilient lever” lever escapement modified by Mortimer George Cole.
