Finished by son Pierre Le Roy, Sully escapement, calendar.
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First generation early straight line lever escapement
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
“Répétition des quarts à ponts moyenne, 15 lignes, boîte or n. 3510, échappement à cylindre”. Sold on 05 November 1817 to Madame Soehnée. Monthly calendar and secret compartment containing a lock of hair.
“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.
Republican calendar with straight lever escapement
Chronometer with lever escapement.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
Garde temps chronometer with going barrel started in 1823 and completed in 1857 sold to an unknown customer
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
Escapement “pallet pin weel”
Montre simple a deux aguilles a secondes sien 140 boite en or n.2429 envoyé a Melin de Londres en cadeau pour le prix de 1030 FF le 11 mai 1821. (la n.140 Montre simple à secondes, boîte d’or Vendue le 9 frimaire an 5 (29 novembre 1796) à Monsieur Lavillete 576 FF.)
Central seconds, regulateur dial, cylinder escapement
Cylinder escapement
Dead-beat seconds watch with double-wheel duplex escapement.
Made on the Houriet principle with a special dial