Experimental verge escapement
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Double wheel verge escapement.
"Souscription" with auxiliary minutes and seconds
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
“Montre de souscription” with calendar and virgule escapementa
Quarter hour repeater with double wheel duplex escapement.
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Cylinder escapement, quarter hour repeater.
Revolutionary and Gregorian calendar, "virgule" escapement.
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
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.
Detent anchor escapement by Robert Robin, quarter hour repeater.
Hour and quarter repeater, verge escapement, enamelled case.
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Lever escapement, quarter and hour repeater, republican calendar.
Movement with lever detent escapement invented by Robert Robin