Chronometer with lever escapement.
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Monthly and week calendar, with central seconds, verge escapement.
Movement with experimental verge-lever 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.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Josiah Emery Straight Lever Escapement Chronometer.
Movement with particular Pouzait lever escapement, quarter hour repeater
Chronometer with patented detent escapement.
Lever escapement and thermal compensation
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Finished by son Pierre Le Roy, Sully escapement, calendar.
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Tide indicator, enamelled dial, cylinder escapement.
Dead independent seconds movement, cylinder escapement.
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.