Thirty-tooth “rack lever” escapement
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Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Verge escapement
Dead-beat seconds watch with double-wheel duplex escapement.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Josiah Emery Straight Lever Escapement Chronometer.
Chronometer with lever escapement.
Hour and quarter repeater and alarm with cylinder escapement.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
Chronometer with patented detent escapement.
Robin's lever detent escapement of special shape
Movement with lever detent escapement invented by Robert Robin
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Cylinder escapement