Small sized watch, cylinder escapement, enamelled case
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Ruby lever escapement.
Tide indicator, enamelled dial, cylinder escapement.
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Orologio a secondi morti con scappamento a virgola
First generation early straight line lever escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
“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.
Thirty-tooth “rack lever” escapement
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
Decimal watch with calendar and special escapement
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Straight lever escapement, quarter hour repeater
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.