Josiah Emery Straight Lever Escapement Chronometer.
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Twin barrel chronometer, monthly calendar with ruby lateral lever escapement
“Chronometre de poche” with modified Earnshaw detent escapement, sold to Monsieur Hottinguer (banker of the Maison Breguet), on 11 October 1844 for 1,500 FF.
Escapement “pallet pin weel”
Self-winding hour and quarter repeater with pedometric oscillating mass, cylinder escapement.
“Montre de souscription” case n.307 « Remise a son excellence l'Ambassadeur de Espagne pou faire passer a Monsieur X » 5 Terminador an 9 (24 Jullet 1801)
Quarter hour repeater clock watch, verge escapement.
Movement with experimental verge-lever escapement.
Garde temps with detent pivotè escapement, sold to Prince Sergey Sergeevich Gagarine, 1 May 1810 for 1,200 FF, as recorded in Moreau's archives.
Reverse hour-quarter repeater (pull)
Chronometer with pivoted detent escapement sold to M. le General Cafarelli, Prèfet Maritime de Brest le 16 Messidor anno XI (5 July 1803) for 70 Louis.
“Double-face” watch, monthly calendar, verge escapement, twelve- and twenty-four-hour indication.
Hour and quarter repeater with verge escapement
Lever escapement and thermal compensation
First generation French lever escapement movement