Calendar movement with dead seconds and special cylinder escapement.
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Movement with lever detent escapement invented by Robert Robin
“Compteur militaire” cylinder escapement 84 divisions
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
Lever escapement, quarter hour repeater
Monthly and weekly calendar, with virgule escapement and “diablotine”
Experimental verge escapement
Cylinder escapement.
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
"Souscription" with auxiliary minutes and seconds
Martin-Pouzait lever escapement
“Resilient lever” lever escapement modified by Mortimer George Cole.
Movement with experimental verge-lever escapement.
Weekly winding device, monthly calendar, with comma escapement
Double comma escapement (double virgule)