Finished by son Pierre Le Roy, Sully escapement, calendar.
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“Montre de souscription”.
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Quarter hour repeater with double wheel duplex escapement.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Alarm with verge escapement
Hour and quarter repeater, cylinder escapement, hunting case.
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
Lever escapement, quarter hour repeater
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Virgule escapement
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Chronometer with lever 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
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation