Duplex double wheel escapement, monthly republican calendar.
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Revolutionary and Gregorian calendar, "virgule" escapement.
“Montre de souscription”.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Lever escapement, quarter hour repeater
"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.
Side lever experimental escapement
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.
“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.”
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
First generation French lever escapement movement
“Double face”, hour and quarter repeater, monthly calendar, centre seconds, early cylinder escapement.
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.