Lever escapement and thermal compensation
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Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.
“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.
Hour and quarter repeater with cylinder escapement.
Side lever escapement.
Reverse hour-quarter repeater (pull)
Seven-day power reserve, cylinder escapement.
“Montre de souscription”.
Dead seconds chronometer with in-line straight lever escapement.
First generation French lever escapement movement
Large display watch with cylinder escapement and dead central seconds.
Extra-flat watch with regulator dial, lever escapement, Rèaumur thermometer.
Dead-beat seconds watch with double-wheel duplex escapement.
Escapement by Paul Garnier
Straight lever escapement, quarter hour repeater
Detent anchor escapement by Robert Robin, quarter hour repeater.