Double wheel verge escapement.
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Souscription watch
Quarter hour repeater with double wheel duplex escapement.
“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.
Built on the principle of “garde temps”, quarter and half quarter hour repeater with double wheel duplex escapement sold to Monsieur Egerston (Egerton) on 17 December 1813 for 3,000 FF .
« Simple garde-temps, arbre percé 20 lignes échappement ancre” sold to Monsieur de Bignon 11 March 1858.
Scappamento ad ancora detent di Robin
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
Watch for the Turkish market, quarter-hour repeater with ruby cylinder escapement, shipped to the Maison de Russie on 23 April 1810 and sold by Moreau on 31 December 1810 for FF 1,680.
Double comma escapement (double virgule)
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Chronometer with Robin escapement
Decimal watch with calendar and special escapement
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Side lever experimental escapement
“Montre de souscription”.