Tourbillon with rotation per minute
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Made on the Houriet principle with a special dial
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Dual scale thermometer on the Houriet principle
Josiah Emery Straight Lever Escapement Chronometer.
Martin-Pouzait lever escapement
Escapement by Paul Garnier
Dead seconds watch with lever escapement by Pouzait
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Cylinder escapement, quarter hour repeater.
Cylinder 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.
Virgule escapement
"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.
Scappamento ad ancora e compensazione termica
Quarter hour repeater and calendar with Debaufre escapement modified by Pierre Le Roy