Dead seconds chronometer with in-line straight lever escapement.
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Revolutionary with Robin type 2 dial, republican calendar, verge escapement
Hour and quarter repeater, mustache lever escapement
Monthly and week calendar, with central seconds, verge escapement.
Quarter hour repeater with double wheel duplex escapement.
Escapement by Paul Garnier
Dead-beat seconds watch with double-wheel duplex escapement.
Lever escapement, quarter hour repeater
Montre de carrosse a repetition des quart et function de reveil sold to the count de Mercy Argentau on 09 June 1837 at the price of 620 FF, ancienne 1155 sold to Pierre de Salabert for the Marquise of Santa Cruz on 18 Floreal year 13 (08 May 1805) , at the price of 1,440 francs.
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Finished by son Pierre Le Roy, Sully escapement, calendar.
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
“Resilient lever” lever escapement modified by Mortimer George Cole.