Robert Robin, Horloger du Roi, n.59

Attributable to Albert H. Potter

Chronometer with patented detent escapement.

Breguet, n.1302

“Rèpètition des quart a toc” with ruby ​​cylinder escapement, “jumping hour” device sold to monsieur Frederic Frackmann (Breguet’s correspondent in Moscow) on 15 Germinal anno 12 (5 May 1804) for the price of 1500 FF.

Antoine Blondeau, rue de la Paix 19, à Paris, n. 369

“Montre de souscription”.

Ring thermometer signed Richer Inv. and made in Paris 12 ventose an 5.

Duval à Frèville an 6

Quarter hour repeater clock watch, verge escapement.

Frederik Jürgensen Kiőbenhavn (Copenhagen)

Cylinder escapement.

Le Roy à Paris n. 3278

Revolutionary and Gregorian calendar, "virgule" escapement.

Andrè Mery n.502

Movement with lever detent escapement invented by Robert Robin

James Boyd, Cupar fife n.293

Ruby lever escapement.

Robin a Paris (Jean Joseph)

Verge escapement, enamelled case decorated with diamonds and pearls

Julien Le Roy n.4905

Finished by son Pierre Le Roy, Sully escapement, calendar.

Lepaute (oppure Le Paute) a Paris

Scappamento ad ancora detent di Robin

Theodore Leroy horloger du Roi n.10792

Reverse hour-quarter repeater (pull)

Breguet, n.2644.

Montre a répétition de quart, a grand second d’un coup, sur le principes de chronomètre.

A.tin Thomas des Vosges a Paris

Quarter-repeating watch with an experimental duplex-cylinder escapement, presented to Dupont de l’Eure in 1818, magistrate and politician.