Quarter hour repeater with double wheel duplex escapement.
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“Compteur militaire” cylinder escapement 84 divisions
Lateral lever escapement, quarter hour repeater.
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Monthly and weekly calendar, with virgule escapement and “diablotine”
Lever escapement, quarter hour repeater
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Cylinder escapement
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
Movement with experimental verge-lever escapement.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Monthly and week calendar, with central seconds, verge escapement.
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Chronometer with pivoted detent escapement sold to M. le General Cafarelli, Prèfet Maritime de Brest le 16 Messidor anno XI (5 July 1803) for 70 Louis.
Verge escapement, enamelled case decorated with diamonds and pearls
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017