Quarter hour repeater by touch with special cylinder escapement.
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Dual scale thermometer on the Houriet principle
Quarter hour repeater clock watch, verge escapement.
Hour and quarter repeater, cylinder escapement, hunting case.
Dead seconds watch with duplex lever escapement by Jean Renaud
Monthly and week calendar, with central seconds, verge escapement.
Reverse hour-quarter repeater (pull)
First generation early straight line lever escapement
Watch presented by Napoleon Bonaparte to Jean Joseph Gauthier on 21 Floréal Year VII (May 10, 1799), verge escapement
“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.
Orologio a secondi morti con scappamento a virgola
Alarm with verge escapement
Movement with particular Pouzait lever escapement, quarter hour repeater
“Montre de souscription” with verge escapement.
Calendar movement with dead seconds and special cylinder escapement.
Quarter hour repeater with lateral lever escapement