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A LOUIS PHILIPPE BRASS-MOUNTED MAHOGANY MARINE CHRONOMETER
Lot 182

A LOUIS PHILIPPE BRASS-MOUNTED MAHOGANY MARINE CHRONOMETER

AUGUSTE BERTHOUD, NO. 170. CIRCA 1840

Closed8 December 2011

Price Realised

GBP 5,625

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A LOUIS PHILIPPE BRASS-MOUNTED MAHOGANY MARINE CHRONOMETER
AUGUSTE BERTHOUD, NO. 170. CIRCA 1840
BOX: two tier, with sliding viewing cover to the top, brass diamond escutcheon and inlay, brass bowl and gimbal, secured with a sliding arm DIAL: screw-down bezel to 70 mm. diameter silvered and engraved dial, with subsidiary seconds ring at XII, signed 'Auguste Berthoud/No. 170', blued steel Breguet hands MOVEMENT: circular plates with four pillars, chain and fusee, maintaining power, Earnshaw spring detent escapement, Berthoud three-arm cut bimetallic balance with three segmental compensation weights, blued steel helical balance spring; winding key
The box -- 5¼ in. (13.5 cm.) high; 6 in. (15 cm.) wide; 6 in. (15 cm.) deep

Christie's London, 2 July 1997, lot 61.

Specialist note

According to a label to the interior, this chronometer is from the collection of the late Marquis of Ripon, 47 Cadogan Square, London SW, 11th June 1925.
Charles-Auguste Berthoud (1798-1896) was the son of Pierre-Louis (Louis) Berthoud, one of the finest French chronometer makers. When the latter died, his foreman -- the illustrious Henri Motel -- continued to teach his sons. Charles-Auguste remained in charge of the workshop at Argenteuil while his brother Louis (d. 1831) managed the Paris shop.