Movement with experimental verge-lever escapement.
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Large display watch with cylinder escapement and dead central seconds.
Quarter hour repeater cylinder escapement
Hour and quarter repeater and alarm with cylinder escapement.
Orologio a secondi morti con scappamento a virgola
Straight lever escapement, quarter hour repeater
Thirty-tooth “rack lever” escapement
"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.
Decimal watch with calendar and special 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”.
Lever escapement and thermal compensation
“Simple gold watch with grandes secondes d’un coup” sold on 1 March 1860 to Monsieur Mathias for 655 francs, returned by the same on 8 March 1866, resold to Monsieur Henry Mallet for 875 francs to be presented to Doctor Lienard, double barrel, independent seconds, lever escapement.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Duplex double wheel escapement, monthly republican calendar.