Lever escapement and thermal compensation
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Robin's lever detent escapement of special shape
Dead-beat seconds watch with double-wheel duplex escapement.
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
Dead independent seconds movement, cylinder escapement.
Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin
First generation French lever escapement movement
Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.
Dual scale thermometer on the Houriet principle
Quarter hour repeater, grand sonnerie clock watch, Robin detent lever escapement
Movement with particular Pouzait lever escapement, quarter hour repeater
Small sized watch, cylinder escapement, enamelled case
Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).
“Montre de souscription”.
Martin-Pouzait lever escapement
Cylinder escapement.