Quarter hour repeater with double wheel duplex escapement.
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Side lever experimental escapement
Cylinder escapement
Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
"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.
Hour and quarter repeater and alarm with cylinder escapement.
Experimental verge escapement
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
“Montre de souscription”.
Chronometer with patented detent escapement.
Thirty-tooth “rack lever” escapement
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Reverse hour-quarter repeater (pull)