“Resilient lever” lever escapement modified by Mortimer George Cole.
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Navigation chronometer with sidereal time indication.
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Hour and quarter repeater, cylinder escapement, enamel case
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Large display watch with cylinder escapement and dead central seconds.
Hour and quarter repeater and alarm with cylinder escapement.
Hour and quarter repeater with verge escapement
Experimental verge escapement
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Chronometer with lever escapement.
Movement with lever detent escapement invented by Robert Robin