First generation early straight line lever escapement
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Josiah Emery Straight Lever Escapement Chronometer.
Straight lever escapement, registered on 30 September 1791, there is no information regarding the sale.
“Rèpètition des quart a toc” with ruby cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.
Double wheel verge escapement.
Lever escapement, quarter hour repeater
“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.”
First generation French lever escapement movement
Quarter hour repeater clock watch, verge escapement.
Weekly winding device, monthly calendar, with comma escapement
Dead seconds watch with duplex lever escapement by Jean Renaud
“Montre de souscription” with calendar and virgule escapementa
“Montre de souscription”.
Alarm with verge escapement
“Rèpètition à minutes” chronometer with double-wheel duplex escapement, sold to the Spanish Princes in Valençay on 29 May 1809 for the price of 2,400 F.
Independent seconds movement, lateral lever escapement.