Joseph Arnould a Nancy n.1737

Andrè Hessen a Paris

Weekly winding device, monthly calendar, with comma 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”.

Robert Robin, Horloger du Roi, n.588

Quarter hour repeater cylinder escapement

Robert Robin, Horloger du Roi, n.59

Lever escapement and thermal compensation

Hauchar n.104-2649

“Montre simple” in the style of Breguet.

Frères Melly Invenit & fecit, n.1248

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

Frederik Jürgensen Kiőbenhavn (Copenhagen)

Cylinder escapement.

Chemisard à Bordeaux n. 2.500

Side lever experimental escapement

Antoine Tavan

Movement with experimental lateral lever escapement in the Robin style.

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

Blondeau Antoine horloger du Roi , rue de la Paix 19, à Paris, n. 1634-24720.

Twin barrel chronometer, monthly calendar with ruby ​​lateral lever escapement

Breguet, n.4763

« Simple garde-temps, arbre percé 20 lignes échappement ancre” sold to Monsieur de Bignon 11 March 1858.

Anonimo, double face

Monthly and weekly calendar, with virgule escapement and “diablotine”

Breguet n.753

Quarter andhour repeater, jumping hours device with experimental ruby verge escapement.

Pèrusset, Elève de Breguet

Dead seconds chronometer with in-line straight lever escapement.