First generation French lever escapement movement
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“Compteur militaire” cylinder escapement 84 divisions
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
“Montre de souscription”.
“Montre de souscription” with calendar and virgule escapementa
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Robin's lever detent escapement of special shape
Sold to Son Excellence M. Achille Fould on 12 November 1860 for 950 FF. Presented to Professor Heinrich Siegel
Chronometer with Robin escapement
Hour and quarter repeater, cylinder escapement, enamel case
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.