Julien Le Roy n.4905

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Lallemand à Paris, n.450

Straight lever escapement, quarter hour repeater

Walthan modello 1883 18s.

Skelectric watch with Masonic decoration.

Pierre Giteau n.3946

Hour and quarter repeater, mustache lever escapement

Girard Rue de la Pompe n.41 Versailles

Duplex double wheel escapement, monthly republican calendar.

Chemisard à Bordeaux n. 2.500

Side lever experimental escapement

Urban Jürgensen n.677

Quarter hour repeater with double wheel duplex escapement.

Theodore Leroy horloger du Roi n.10792

Reverse hour-quarter repeater (pull)

Johann (II) Holtzmann Wienn

Dual scale thermometer on the Houriet principle

Joseph Arnould a Nancy n.1737

Quarter hour repeater by touch with special cylinder escapement.

Breguet, n.104

‘Montre a repetition des quart a toc’ lever escapement, monthly calendar, sold on 09 August 1792 to Monsieur Robert (Anglais) for 1800 francs “Nouveau calibre”.

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

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

“Montre de souscription”.

Jaquet Droz & Leshot (London)

Dead independent seconds movement, cylinder escapement.

Robert Robin, Horloger du Roi, n.59

Lever escapement and thermal compensation

Urban Jürgensen n.696