Robert Robin a Paris n.212

Recordon London, attribuibile a J.F. Houriet

Chronometer with Earnshaw spring detent escapement, spherical balance spring.

Robert Robin, Joseph Thaddeus Winnerl

Chronometer made by Joseph Thaddeus Winnerl on a movement by Robert Robin

Gregson Jean Hor. Du Roy

Virgule escapement

Breguet et Fils, n. 1714

“Subscription" watch, Cassa di Joly no. 1769, sold to Prince Kurakin on August 9, 1811, for 1,080 FF, returned in 1812 and resold to the Princes of Valencay on May 8, 1812, for 980 FF.”

Joseph Arnould a Nancy n.1737

Quarter hour repeater by touch with special cylinder escapement.

Breguet n.4604

Small-sized watch built on the principle of chronometers with monthly calendar, lever escapement sold to Baron Schickler on 30 December 1828 for the price of 3,600 FF.

Lefevre a Paris

Detent Lever escapement invented by Robert Robin. Restored by Breguet.

Johann (II) Holtzmann Wienn

Dual scale thermometer on the Houriet principle

Chemisard à Bordeaux n.5138 an 1807

Martin-Pouzait lever escapement

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

Breguet, n.4326

"Rèpètition de première Classe sur les Principes des Chronomètres", calendar, ruby lever escapement, hour, quarter and half-quarter repeater, sold to M. le Professeur Shumacher, on 23 February 1829 for 3,200 FF.

Comptoir Royal d'horologerie de Carouge

Verge escapement. Interesting watch of historical value for the signature referring to the Savoy kings.

Le Roy à Paris n. 3278

Revolutionary and Gregorian calendar, "virgule" escapement.

Frères Melly Invenit & fecit, n.1248

Movement with “à pattes d'ecrevisses” (crab leg) escapement

Louis Tavernier, Paris Rue de la Loi, n.K+B 552

Chronometer with quarter hour repeater and calendar, pivoted detent escapement with experimental thermal compensation