Cylinder escapement by a pupil of Robin
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Scappamento ad ancora e compensazione termica
Weekly winding device, monthly calendar, with comma escapement
Large display watch with cylinder escapement and dead central seconds.
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
Verge escapement, enamelled case decorated with diamonds and pearls
Chronometer with lever escapement.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
"Repetition demi quart sur timbres” with lever escapement on the “garde temps” principle, hunter case with secret “portrait” compartment, “jumping hours” device sold to Count Panin on 11 June 1821, for FF 4,800, reentered, restored and resold with number 4931 to Monsieur Lacroix of Turin on 16 May 1831 for 4800 francs.
Escapement by Paul Garnier
Elève de Winnerl, chronometer with lever escapement.
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Finished by son Pierre Le Roy, Sully escapement, calendar.
Revolutionary and Gregorian calendar, "virgule" escapement.
Virgule escapement