Hour and quarter repeater, mustache lever escapement
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Orologio a secondi morti con scappamento a virgola
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Quarter hour repeater cylinder escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Side 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.
Double wheel verge escapement.
"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.
Quarter hour repeater movement with duplex escapement.
Chronometer with lever escapement.
Martin-Pouzait lever escapement
“Montre simple” in the style of Breguet.
Revolutionary and Gregorian calendar, "virgule" escapement.
“Resilient lever” lever escapement modified by Mortimer George Cole.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.