First generation French lever escapement movement
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Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
"Souscription" with auxiliary minutes and seconds
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
“Montre de souscription”.
Navigation chronometer with sidereal time indication.
Hour and quarter repeater with verge escapement
Finished by son Pierre Le Roy, Sully escapement, calendar.
Chronometer with lever escapement.
Revolutionary with Robin type 2 dial, republican calendar, verge escapement
Movement with experimental lateral lever escapement in the Robin style.
Garde temps with detent pivotè escapement, sold to Prince Sergey Sergeevich Gagarine, 1 May 1810 for 1,200 FF, as recorded in Moreau's archives.
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Hour and quarter repeater, mustache lever escapement
“Montre de souscription” with double wheel duplex escapement