Decimal watch with calendar and special escapement
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Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
« Simple garde-temps, arbre percé 20 lignes échappement ancre” sold to Monsieur de Bignon 11 March 1858.
Lever escapement and thermal compensation
"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.
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.
“Club footed” verge escapement.
Lateral lever escapement, quarter hour repeater.
Revolutionary and Gregorian calendar, "virgule" escapement.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Small sized watch, cylinder escapement, enamelled case
Thirty-tooth “rack lever” escapement
Quarter hour repeater clock watch, verge escapement.
Side lever experimental escapement
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)