Finished by son Pierre Le Roy, Sully escapement, calendar.
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Calendar movement with dead seconds and special cylinder escapement.
“Montre de souscription”.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Lever escapement, quarter hour repeater
Detent anchor escapement by Robert Robin, quarter hour repeater.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
“Montre de souscription” with double wheel duplex escapement
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
Lever escapement, quarter and hour repeater, republican calendar.
Chronometer with lever escapement.
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Skelectric watch with Masonic decoration.