Independent seconds movement, lateral lever escapement.
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“Club footed” verge escapement.
Decimal watch with calendar and special escapement
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Alarm with verge escapement
“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.
First generation French lever escapement movement
Movement with particular Pouzait lever escapement, quarter hour repeater
Quarter hour repeater with lateral lever escapement
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Chronometer fitted with a pivoted detent escapement and a balance with three-roller suspension.
Movement with experimental lateral lever escapement in the Robin style.
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Quarter hour repeater cylinder escapement
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
Josiah Emery Straight Lever Escapement Chronometer.