Independent seconds movement, lateral lever escapement.
Log in or register.
Escapement “pallet pin weel”
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
Movement with lever detent escapement invented by Robert Robin
Hour and quarter repeater with double wheel duplex escapement, snap calendar, engraved equation of time
“Montre de souscription” apocryphal. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
“Montre de souscription”.
“Club footed” verge escapement.
“Montre de souscription” with double wheel duplex escapement. Watch published in George Rigot's book: “Montres de souscription et a tact de Breguet“ ed.2017
Thirty-tooth “rack lever” escapement
Navigation chronometer with sidereal time indication.
"Montre simple plate excentrique nouveau calibre 16½ lignes échapt cilindre, cadran émail” sold to Monsieur Benardaky on 01 luglio 1850 at prize of 1200 FF.
Straight lever escapement, quarter hour repeater
Compteur a pointage, nouveau modele chronographe a encre, sold at the College de France for 350 FF
Straight lever escapement (attributable to Marguerite Dupont who was a watchmaker in Alençon in 1795)
First generation early straight line lever escapement