Side lever experimental escapement
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
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 .
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.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
“Montre de souscription”, with reverse caliber sold to Monsieur Manu on 1 May 1810 for 600 Francs
Thirty-tooth “rack lever” escapement
“Montre de souscription”.
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”
Chronometer with Robin escapement
Sully's escapement
Montre de carrosse a repetition des quart et function de reveil sold to the count de Mercy Argentau on 09 June 1837 at the price of 620 FF, ancienne 1155 sold to Pierre de Salabert for the Marquise of Santa Cruz on 18 Floreal year 13 (08 May 1805) , at the price of 1,440 francs.
Independent seconds movement, lateral lever escapement.
“Montre petit medaillon simple, 13 lignes, pierced arbor, gold case with revolving back, no. 3261, moon phase, lever escapement”. Sold on 02 April 1814 to His Majesty the Emperor of Russia (Alexander I) for the sum of 2,400 francs.
First generation French lever escapement movement