Josiah Emery Straight Lever Escapement Chronometer.
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"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.
"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.
Robin style movement with cylinder escapement.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Chronometer with patented detent escapement.
"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.
Experimental verge escapement
Quarter hour repeater with double wheel duplex escapement.
Alarm with verge escapement
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Republican and Gregorian calendar, lever escapement by J.M. Pouizait, skeletonized movement.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
Monthly and weekly calendar, with virgule escapement and “diablotine”
Monthly and week calendar, with central seconds, verge escapement.