Chronometer with lever escapement.
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Republican calendar with straight lever escapement
“Montre de souscription”, sold to Adjutant Gènèral Ricard on 15 December 1813 for 600 F.F. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
“Montre de souscription”.
Dead-beat seconds watch with double-wheel duplex escapement.
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Movement with experimental lateral lever escapement in the Robin style.
Navigation chronometer with sidereal time indication.
“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.
Movement with particular Pouzait lever escapement, quarter hour repeater
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.
Reverse hour-quarter repeater (pull)
Lever escapement and thermal compensation
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Orologio a secondi morti con scappamento a virgola
Decimal watch with calendar and special escapement