Quarter hour repeater movement with duplex escapement.
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Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Movement with lever detent escapement invented by Robert Robin
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Large display watch with cylinder escapement and dead central seconds.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Cylinder escapement watch formerly belonging to Louis Bonaparte (1778–1846), brother of Napoleon, King of Holland, and passed down within the Imperial dynasty.
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 .
"Repetition demi quart sur timbres” with lever escapement on the “garde temps” principle, hunter case with secret “portrait” compartment, “jumping hours” device sold to Count Panin on 11 June 1821, for FF 4,800, reentered, restored and resold with number 4931 to Monsieur Lacroix of Turin on 16 May 1831 for 4800 francs.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Detent anchor escapement by Robert Robin, quarter hour repeater.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
"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.
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case