Double wheel verge escapement.
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Robin style movement with cylinder escapement.
Hour and quarter repeater, verge escapement, enamelled case.
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Dead seconds chronometer with in-line straight lever escapement.
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
Movement with experimental lateral lever escapement in the Robin style.
Scappamento ad ancora detent di Robin
Decimal watch with double time indication on a 24-hour basis, verge escapement.
“Répétition à ponts, medium size, 19 lignes, pierced arbor, gold case no. 4068, half-quarter repeating, lever escapement,” sold on 16 March 1826 to Monsieur Spies. Monthly calendar and a secret compartment containing the portrait of a young woman.
Verge escapement
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Virgule escapement
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
“Compteur militaire” cylinder escapement 84 divisions
Escapement “pallet pin weel”