Detent anchor escapement by Robert Robin, quarter hour repeater.
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“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.
Quarter hour repeater clock watch, verge escapement.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Verge escapement, enamelled case decorated with diamonds and pearls
"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.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Verge escapement
Scappamento ad ancora e compensazione termica
Straight lever escapement, quarter hour repeater
Dead seconds chronometer with in-line straight lever escapement.
Side lever escapement.
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy
Revolutionary and Gregorian calendar, "virgule" escapement.
Navigation chronometer with sidereal time indication.