Anonimo, double face

Basserau Fils Rue Vivienne n.2.

“Montre de souscription”.

Duval à Frèville an 6

Quarter hour repeater clock watch, verge escapement.

Robert Robin a Paris n.398.

Hour and quarter repeater, verge escapement, enamelled case.

Griebel Paris rue Vivienne 13

Quarter and half quarter hour repeater with ruby ​​cylinder escapement no. 255.

Vissière Simon Havre n.16

Elève de Winnerl, chronometer with lever 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.

Robert Robin aux Galerie du Louvre n.116

Lever escapement, quarter and hour repeater, republican calendar.

Hubert Sarton n. 5019

Cylinder escapement

Jean Georges Herbst, n. 352

Cylinder escapement, quarter hour repeater.

Lemarie, Paris.

Orologio a secondi morti con scappamento a virgola

Breguet, n.993

Montre a repetition des quart a toc, ruby cylinder escapement sold to Monsieur Recordon de Londres on 27 Fructidor an 10 (14 September 1802) for 1,500 FF.

Andrè Hessèn

Movement with experimental verge-lever escapement.

Annual calendar with manual equation of time, thermometer (Bongrand system)

Frederik Jürgensen Kiőbenhavn (Copenhagen)

Cylinder 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