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

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Breguet, n.55.

“Repètition dix minutes aux deux styles à volontè a heur sautants” with ruby cylinder escapement and parachute, sent “au freres Chaudoir”, 29 Pluviose an 10 (18 February 1802), revised at the request of Monsieur Mazeau in 1828.

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.

Tschiffelj, Berne Swiss,

Double wheel verge escapement.

Hubert Sarton n. 5019

Cylinder escapement

Robert Robin de la Soc.te des Inv.tons et Dècouvertes, n.3

Lateral lever escapement, quarter hour repeater.

Louis Berthoud n.2574 (bis)

Quarter hour repeater movement with duplex escapement.

Breguet, n.1689

“Rèpètition de Première Classe” with ruby cylinder escapement, sold to an anonymous “monsieur” on 13 July 1811 for 1,728 FF, resold to Monsieur Gozzel on 22 May 1822 for 900 FF.

Robert Robin a Paris n.398.

Hour and quarter repeater, verge escapement, enamelled case.

Lepaute (oppure Le Paute) a Paris

Scappamento ad ancora detent di Robin

Robert Robin, Horloger du Roi, n.588

Quarter hour repeater cylinder escapement

Breguet n.753

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

Robert Robin, Horloger du Roi, n.59

Lever escapement and thermal compensation

Andrè Hessen a Paris

Weekly winding device, monthly calendar, with comma escapement

Frères Melly Invenit & fecit, n.1248

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

Jean Georges Herbst, n. 352

Cylinder escapement, quarter hour repeater.

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