Alarm with verge escapement
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Cylinder escapement, quarter hour repeater.
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Scappamento ad ancora detent di Robin
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Finished by son Pierre Le Roy, Sully escapement, calendar.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
Orologio a secondi morti con scappamento a virgola
Ruby lever 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.
Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Double wheel verge escapement.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement