Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Lateral lever escapement, quarter hour repeater.
Ruby lever escapement.
Chronometer with patented detent escapement.
Lever escapement, quarter and hour repeater, republican calendar.
Side lever experimental escapement
Quarter hour repeater with double wheel duplex escapement.
Escapement by Paul Garnier
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Skelectric watch with Masonic decoration.
Orologio a secondi morti con scappamento a virgola
Hour and quarter repeater, cylinder escapement, hunting case.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Revolutionary with Robin type 2 dial, republican calendar, verge escapement