Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
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Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
"Montre a repetition des quart a toc" Robin-style anchor escapement, sold on 28 June 1793 to Monsieur Fabre Loncle.
Hour and quarter repeater, mustache lever escapement
Experimental verge escapement
Chronometer with Earnshaw spring detent escapement, spherical balance spring.
Anonymous watch with central and auxiliary dead seconds, chicane lever escapement
Scappamento ad ancora e compensazione termica
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.
Reverse hour-quarter repeater (pull)
“Medaillon a tact” n.3227 sold to Jérôme Bonaparte, brother of Napoleon, King of Westphalia.
Sully's escapement
“Rèpètition de Première Classe” con scappamento a cilindro in rubino, e jumping hour venduto a monsieur Ternaux (Étienne Nicolas Louis Ternaux ) , il 2 Brumaio anno 13 (24 ottobre 1804) per 1.800 FF.
“Resilient lever” lever escapement modified by Mortimer George Cole.
Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation
Revolutionary with Robin type 2 dial, republican calendar, verge escapement