Verge escapement
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Escapement “pallet pin weel”
“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.
Independent seconds movement, lateral lever escapement.
“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.
“Montre de souscription”.
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Revolutionary with Robin type 2 dial, republican calendar, verge escapement
Hour and quarter repeater with verge escapement
Central seconds, regulateur dial, cylinder escapement
Movement with experimental verge-lever escapement.
Watch for the Turkish market, quarter-hour repeater with ruby cylinder escapement, shipped to the Maison de Russie on 23 April 1810 and sold by Moreau on 31 December 1810 for FF 1,680.
Finished by son Pierre Le Roy, Sully escapement, calendar.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
First generation French lever escapement movement
Chronometer with Earnshaw spring detent escapement, spherical balance spring.