First generation French lever escapement movement
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Finished by son Pierre Le Roy, Sully escapement, calendar.
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
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.)
Hour and quarter repeater with cylinder escapement.
Dead independent seconds movement, cylinder escapement.
Quarter hour repeater with double wheel duplex escapement.
Hour and quarter repeater, verge escapement, enamelled case.
“Montre petit medaillon simple, 13 lignes, pierced arbor, gold case with revolving back, no. 3261, moon phase, lever escapement”. Sold on 02 April 1814 to His Majesty the Emperor of Russia (Alexander I) for the sum of 2,400 francs.
Hour and quarter touch repeater with Debaufre escapement modified by Pierre Le Roy, enamelled case.
Thirty-tooth “rack lever” 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).
Dead seconds chronometer with in-line straight lever escapement.
Large display watch with cylinder escapement and dead central seconds.
“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”