Attributable to Albert H. Potter

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Anonymous (CFB.)

Revolutionary with Robin type 2 dial, republican calendar, verge escapement

Anonymous attributable to Charles Edouard Jacot, Switzerland

Dead central seconds watch with star duplex escapement invented by Charles Edouard Jacot with 1/4 second diablotine

Duval fecit à Frèvillè

George Graham lever escapement, double-dial astronomical watch, equation of time. Double face watch.

Robert Robin de la Soc.te des Inv.tons et Dècouvertes, n.3

Lateral lever escapement, quarter hour repeater.

Janvier fils à Paris en 1805

First generation French lever escapement movement

Frederik Jürgensen Kiőbenhavn (Copenhagen)

Cylinder escapement.

Breguet, n.441 (nouvelle series)

“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.

Chemisard à Bordeaux n. 2.500

Side lever experimental escapement

Robert Robin, Horloger du Roi, n.44

Scappamento ad ancora e compensazione termica

Anonymous, n. 4097

Anonymous watch with central and auxiliary dead seconds, chicane lever escapement

Breguet, n.2492

Turkish market watch, hour and quarter repeater with ruby cylinder escapement, translucent red enamel case, sold to Leroy in Constantinople for 2,400 FF (Breguet agent).

M.G. Cole, Inv. London & Bexley Heath n. 1508

“Resilient lever” lever escapement modified by Mortimer George Cole.

Breguet, Horger de la Marina Royale, N.3707

"Montre simple” N.3707 sold to Monsieur Furchy Notaire on 31 June 1822 for 1140 FF.

Lechopie a Paris n.1292

Experimental verge escapement

James Boyd, Cupar fife n.293

Ruby lever escapement.

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