Hour and quarter repeater and alarm with cylinder escapement.
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Orologio a secondi morti con scappamento a virgola
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Dead seconds watch with detent escapement
Thirty-tooth “rack lever” escapement
Quarter hour repeater with double wheel duplex escapement.
Quarter hour repeater with lateral lever escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Quarter hour repeater cylinder escapement
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
Cylinder escapement
Double wheel verge escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Hour and quarter repeater, mustache lever 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.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)