Movement with lever detent escapement invented by Robert Robin
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“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
Chronometer with patented detent escapement.
“Resilient lever” lever escapement modified by Mortimer George Cole.
Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Robin's lever detent escapement of special shape
Dual scale thermometer on the Houriet principle
Dead independent seconds movement, cylinder escapement.
Hour and quarter repeater, cylinder escapement, enamel case
“In homage to A.L. Breguet”, chronometer with thermometer, weekly calendar and power reserve.
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Side lever experimental escapement
Side lever escapement.
Cylinder escapement by a pupil of Robin