“Club footed” verge escapement.
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Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Lateral lever escapement, quarter hour repeater.
Reverse hour-quarter repeater (pull)
Double comma escapement (double virgule)
"Souscription" with auxiliary minutes and seconds
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.
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Robin style movement with cylinder escapement.
Straight lever escapement, quarter hour repeater
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
Chronometer with patented detent escapement.
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
First generation early straight line lever escapement
Movement with lever detent escapement invented by Robert Robin
Sully's escapement