Navigation chronometer with sidereal time indication.
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Verge escapement, enamelled case decorated with diamonds and pearls
Finished by son Pierre Le Roy, Sully escapement, calendar.
Side lever experimental escapement
Hour and quarter repeater with cylinder escapement.
“Montre de souscription” with verge escapement.
Elève de Winnerl, chronometer with lever escapement.
Quarter and half quarter hour repeater with ruby cylinder escapement no. 255.
Tourbillon with rotation per minute
Quarter hour repeater with double wheel duplex escapement.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
First generation early straight line lever escapement
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.)
“Montre de souscription”.
Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.
Tide indicator, enamelled dial, cylinder escapement.