Quarter hour repeater with double wheel duplex escapement.
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“Montre simple” in the style of Breguet.
“Montre de souscription” with verge escapement.
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Side lever experimental escapement
Chronometer with patented detent escapement.
“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)
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Reverse hour-quarter repeater (pull)
Ruby lever escapement.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Tide indicator, enamelled dial, cylinder escapement.
Quarter hour repeater by touch with special cylinder escapement.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation