Quarter hour repeater with double wheel duplex escapement.
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Quarter hour repeater by touch with special cylinder escapement.
Dead seconds watch with duplex lever escapement by Jean Renaud
Calendar movement with dead seconds and special cylinder escapement.
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
“Montre de souscription” with double wheel duplex escapement
Martin-Pouzait lever escapement
Chronometer with patented detent escapement.
Movement with experimental lateral lever escapement in the Robin style.
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.
Elève de Winnerl, chronometer with lever escapement.
Chronometer with Robin escapement
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Verge escapement