Orologio a secondi morti con scappamento a virgola
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Cylinder escapement.
First generation early straight line lever escapement
Revolutionary and Gregorian calendar, "virgule" escapement.
“Compteur militaire” cylinder escapement 84 divisions
Side lever experimental escapement
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Decimal watch with calendar and special escapement
Small sized watch, cylinder escapement, enamelled case
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.
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
Quarter hour repeater with double wheel duplex escapement.
Quarter hour repeater with lateral lever escapement
Sully's escapement
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.