Quarter hour repeater movement with duplex escapement.
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Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Detent anchor escapement by Robert Robin, quarter hour repeater.
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
“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.
Straight lever escapement, quarter hour repeater
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Tide indicator, enamelled dial, cylinder escapement.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
Dead independent seconds movement, cylinder escapement.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Repetition garde temps jumping hour, sold to M. Malotaky, second interpreter of the Turkish Ambassador, Prairial year 6 (May-June 1798), for 1,200 FF.
Monthly and week calendar, with central seconds, verge escapement.