Robin's lever detent escapement of special shape
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Orologio a secondi morti con scappamento a virgola
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
"Souscription" with auxiliary minutes and seconds
“Resilient lever” lever escapement modified by Mortimer George Cole.
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Lever escapement, quarter hour repeater
Quarter hour repeater with double wheel duplex escapement.
Tourbillon with rotation per minute
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
“Montre de souscription”.
“Montre de souscription” with double wheel duplex escapement
“Montre de souscription” with verge escapement.
Dead independent seconds movement, cylinder escapement.
Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.