Navigation chronometer with sidereal time indication.
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Souscription watch
Side lever experimental escapement
“Montre de souscription”.
“Club footed” verge escapement.
“Montre de souscription a tact” sold to the brother of the Spanish Consul (Monsieur de la Serna) in Vendemiaire year X (1802) for 1,100 FF.
Hour and quarter repeater and alarm with cylinder escapement.
Movement with “à pattes d'ecrevisses” (crab leg) escapement
Hour and quarter repeater, verge escapement, enamelled case.
Decimal watch with double time indication on a 24-hour basis, verge escapement.
Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.
Hour and quarter repeater, mustache lever escapement
“Montre de souscription” with verge escapement.
Josiah Emery Straight Lever Escapement Chronometer.
Decimal watch with double time indication on a 24-hour basis, verge escapement, enamelled case
Quarter hour repeater with double wheel duplex escapement.