Josiah Emery Straight Lever Escapement Chronometer.
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Side lever experimental escapement
Hour and quarter repeater, verge escapement, enamelled case.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Lever escapement, quarter hour repeater
“Montre de souscription”.
Chronometer with patented detent escapement.
Decimal watch with virgule escapement, power reserve, jumping hours and barometer, center seconds n.4737 belonging to Antoine Louis Leon de Saint-Just.
Verge escapement, enamelled case decorated with diamonds and pearls
Hour and quarter repeater, mustache lever escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Cylinder escapement by a pupil of Robin
First generation French lever escapement movement
“Montre de souscription” with verge escapement.
Decimal watch with calendar and special escapement