Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Log in or register.
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Quarter hour repeater with lateral lever escapement
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Virgule escapement
“Montre de souscription”.
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
“Montre de souscription” with double wheel duplex escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
“Compteur militaire” cylinder escapement 84 divisions
Cylinder escapement
Dead seconds watch with duplex lever escapement by Jean Renaud
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Lateral lever escapement, quarter hour repeater.
Quarter hour repeater clock watch, verge escapement.
Revolutionary and Gregorian calendar, "virgule" escapement.