“Resilient lever” lever escapement modified by Mortimer George Cole.
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Quarter hour repeater with double wheel duplex escapement.
Hour and quarter repeater and alarm with cylinder escapement.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Revolutionary and Gregorian calendar, "virgule" escapement.
First generation early straight line lever escapement
Calendar movement with dead seconds and special cylinder escapement.
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Republican calendar with straight lever escapement
Sully's escapement
Garde temps with detent pivotè escapement, sold to Prince Sergey Sergeevich Gagarine, 1 May 1810 for 1,200 FF, as recorded in Moreau's archives.
Finished by son Pierre Le Roy, Sully escapement, calendar.
Hour and quarter repeater with cylinder escapement.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF