Made on the Houriet principle with a special dial
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Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Dead-beat seconds watch with double-wheel duplex escapement.
Escapement by Paul Garnier
Orologio a secondi morti con scappamento a virgola
Scappamento ad ancora e compensazione termica
“Montre de souscription”.
Monthly and weekly calendar, with virgule escapement and “diablotine”
"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
Side lever experimental escapement
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
“Compteur militaire” cylinder escapement 84 divisions
“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.
“Rèpètition de Première Classe” with ruby cylinder escapement, sold to an anonymous “monsieur” on 13 July 1811 for 1,728 FF, resold to Monsieur Gozzel on 22 May 1822 for 900 FF.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Quarter hour repeater with double wheel duplex escapement.