Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
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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.
“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.
First generation early straight line lever escapement
Finished by son Pierre Le Roy, Sully escapement, calendar.
Hour and quarter repeater with verge escapement
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Republican calendar with straight lever escapement
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Calendar movement with dead seconds and special cylinder escapement.
Montre de carrosse a repetition des quart et function de reveil sold to the count de Mercy Argentau on 09 June 1837 at the price of 620 FF, ancienne 1155 sold to Pierre de Salabert for the Marquise of Santa Cruz on 18 Floreal year 13 (08 May 1805) , at the price of 1,440 francs.
Automatic winding with beating mass, perpetual monthly and weekly retrograde calendar, cylinder escapement.
Orologio a secondi morti con scappamento a virgola
Hour and quarter repeater, cylinder escapement, enamel case
Verge escapement
Double comma escapement (double virgule)