Quarter hour repeater with double wheel duplex escapement.
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“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Movement with experimental verge-lever escapement.
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Double comma escapement (double virgule)
Escapement “pallet pin weel”
Josiah Emery Straight Lever Escapement Chronometer.
Chronometer with patented detent escapement.
Alarm with verge escapement
Dual scale thermometer on the Houriet principle
Hour and quarter repeater, cylinder escapement, hunting case.
Calendar movement with dead seconds and special cylinder escapement.
Tourbillon with rotation per minute
Movement with lever detent escapement invented by Robert Robin