Souscription watch
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Double comma escapement (double virgule)
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
“Compteur militaire” cylinder escapement 84 divisions
Escapement “pallet pin weel”
“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.
First generation French lever escapement movement
‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.
Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Lever escapement and thermal compensation
Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Quarter hour repeater with double wheel duplex escapement.
Lever escapement, quarter and hour repeater, republican calendar.