Finished by son Pierre Le Roy, Sully escapement, calendar.
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Chronometer with pivoted detent escapement sold to M. le General Cafarelli, Prèfet Maritime de Brest le 16 Messidor anno XI (5 July 1803) for 70 Louis.
“Montre de souscription” with double wheel duplex escapement
Side lever experimental escapement
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Josiah Emery Straight Lever Escapement Chronometer.
Quarter hour repeater with double wheel duplex escapement.
Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
Chronometer with Robin 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.”
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
Scappamento ad ancora e compensazione termica
Hour and quarter repeater, mustache lever escapement
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
“Compteur militaire” cylinder escapement 84 divisions
“Montre de souscription”, sold to Adjutant Gènèral Ricard on 15 December 1813 for 600 F.F. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017