Finished by son Pierre Le Roy, Sully escapement, calendar.
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Quarter hour repeater movement with duplex escapement.
Sully's escapement
Decimal watch with virgule escapement, power reserve, jumping hours and barometer, center seconds n.4737 belonging to Antoine Louis Leon de Saint-Just.
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.
Tide indicator, enamelled dial, cylinder escapement.
Dead seconds watch with duplex lever escapement by Jean Renaud
Weekly winding device, monthly calendar, with comma escapement
Virgule escapement
Escapement by Paul Garnier
Elève de Winnerl, chronometer with lever escapement.
"Souscription" with auxiliary minutes and seconds
Double comma escapement (double virgule)
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Chronometer with patented detent escapement.