Dumas. A Rare French 2 Day Marine Pivoted Detente Chronometer C1850
Located in Mayfair, London, London
Brass case "En Forme de Tabatiere " , similar to that used by Louis Berthoud for his later chronometer. The original ratchet tipsy key sits in the corner of the case Movement: This ...
19th Century French Antique Ratchets
Brass








