First generation early straight line lever escapement
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Movement with experimental lateral lever escapement in the Robin style.
“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.
First generation French lever escapement movement
“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Revolutionary and Gregorian calendar, "virgule" escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Quarter hour repeater with double wheel duplex escapement.
Hour and quarter repeater, mustache lever escapement
Revolutionary with Robin type 2 dial, republican calendar, verge escapement
“Montre de souscription”.
Cylinder escapement, quarter hour repeater.