Finished by son Pierre Le Roy, Sully escapement, calendar.
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Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
First generation early straight line lever escapement
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
Robin's lever detent escapement of special shape
"Souscription" with auxiliary minutes and seconds
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Garde temps, rèpètition de première Classe sur les princes des chronomètre” sold to Count Mercy d’Argenteau on 28 January 1824 for 3,400 FF. Repetition of hours, quarters and half quarters, monthly calendar. Jumping hour.
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.
Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
“Montre de souscription”.
Hour and quarter repeater, cylinder escapement, enamel case
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Quarter hour repeater with double wheel duplex escapement.
Skelectric watch with Masonic decoration.