Quarter hour repeater with double wheel duplex escapement.
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Double-dial astronomical watch with cylinder escapement, centre seconds, and equation of time.
Escapement “pallet pin weel”
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
“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.
Double comma escapement (double virgule)
Hour and quarter repeater, cylinder escapement, enamel case
Seven-day power reserve, cylinder escapement.
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Dead seconds watch with detent escapement
‘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”.
Hour and quarter repeater and alarm with cylinder escapement.
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Monthly and weekly calendar, with virgule escapement and “diablotine”
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case