Revolutionary and Gregorian calendar, "virgule" escapement.
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Dead seconds chronometer with in-line straight lever escapement.
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.)
“Montre de souscription”.
« Simple garde-temps, arbre percé 20 lignes échappement ancre” sold to Monsieur de Bignon 11 March 1858.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Cylinder escapement, quarter hour repeater.
Movement with experimental lateral lever escapement in the Robin style.
Side lever experimental escapement
“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.
Duplex double wheel escapement, monthly republican calendar.
Side lever escapement.
Hour and quarter repeater with verge escapement
Chronometer with lever escapement.