First generation French lever escapement movement
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Chronometer with lever escapement.
“Montre de souscription” case n.918 sold au freres Chaudoir 20 Nivose an 13 (10 Janvier 1805)
Calendar movement with dead seconds and special cylinder escapement.
Detent Lever escapement invented by Robert Robin. Restored by Breguet.
Side lever experimental escapement
Double comma escapement (double virgule)
Quarter hour repeater with lateral lever escapement
Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
Dead seconds chronometer with in-line straight lever escapement.
Movement with lever detent escapement invented by Robert Robin
Month-day calendar with Poizait lever escapement large central seconds mounted in mahogany case
“Resilient lever” lever escapement modified by Mortimer George Cole.
Quarter hour repeater, grand sonnerie clock watch, Robin detent lever escapement
Cylinder escapement, quarter hour repeater.
“Répétition à ponts, medium size, 19 lignes, pierced arbor, gold case no. 4068, half-quarter repeating, lever escapement,” sold on 16 March 1826 to Monsieur Spies. Monthly calendar and a secret compartment containing the portrait of a young woman.