Elève de Winnerl, chronometer with lever escapement.
Log in or register.
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
First generation early straight line lever escapement
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Lever escapement and thermal compensation
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.
“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
Seven-day power reserve, cylinder escapement.
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Made on the Houriet principle with a special dial
Dual scale thermometer on the Houriet principle
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Finished by son Pierre Le Roy, Sully escapement, calendar.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case