Martin-Pouzait lever escapement
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“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .
Ruby lever 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.
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
Movement with lever detent escapement invented by Robert Robin
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Robin's lever detent escapement of special shape
“Montre de souscription”.
“Compteur militaire” cylinder escapement 84 divisions
Dead independent seconds movement, cylinder escapement.
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Calendar movement with dead seconds and special cylinder escapement.
Double comma escapement (double virgule)