Side lever escapement.
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Movement with lever detent escapement invented by Robert Robin
Small sized watch, cylinder escapement, enamelled case
Cylinder escapement by a pupil of Robin
Quarter hour repeater with double wheel duplex escapement.
Detent anchor escapement by Robert Robin, quarter hour repeater.
Montre simple medaillon eccentrique 13 lignes ½, cylinder escapement in ruby sold to Lionel Rothschild (banker) on 31 May 1831 for 1,400 FF.
Monthly and weekly calendar, with virgule escapement and “diablotine”
Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.
Lateral lever escapement, quarter hour repeater.
Lever escapement, quarter hour repeater
George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.
Particularly shaped side lever escapement, complete calendere, hour-quarter repeating
Repetittion a cuvette ruage 4269 en or 742 Gros, vendu au General Moreau le 2 octobre 1810 au prix de 1800 FF
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
“Repetition à ponts” con scappamento a cilindro in rubino, venduto al generale Nicholas Joseph Maison, il 30 settembre 1807 per 1.696 FF .