“Resilient lever” lever escapement modified by Mortimer George Cole.
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Chronometer with Robin escapement
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Quarter repeater in gold and platinum hunting case, sold to Count François Potocki on 15 March 1822, price 2400 FF. Repurchased in 1828 and resold to Madame Dupaty in 1829
Weekly winding device, monthly calendar, with comma 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.
“Montre simple” in the style of Breguet.
Cylinder escapement.
Hour and quarter repeater with cylinder escapement.
Quarter hour repeater with lateral lever escapement
Cylinder escapement, quarter hour repeater.
Side lever escapement.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
‘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”.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)