Important Collectors’ Wristwatches Po...

Geneva, Hotel Des Bergues, Oct 21, 1995

LOT 421

Aimé Jacob, Boulevard Montmartre No. 1, Paris, No. 35, made in 1834. Fine and interesting centre seconds Régulateur de souscription marchand une année sans être remonté (year going regulator, sold by subscribtion), with barometer and thermometers.

CHF 40,000 - 50,000

C. Rectangular mahogany veneered with ebonised mouldings, comice and inlaid ebony stringings on the side and base panels, the door applied with a barometer, a centigrad thermometer and a Fahrenheit thremometer. D. Silvered with Roman numerals. Blued steel Breguet hands. M. Brass rectangular with cylindrical pillars, the barrel with maintaining power, Graham dead beat escapement mounted on the back plate, seconds beating pendulum with wooden rod and spring suspension. Signed on the dial and back plate. In very good condition. Dim. 195 x 53 x 28 cm.


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Notes

Before inviting subscriptions for his regulator, Jacob presented his project to the Académie des Sciences, incorporating a facsimile of the letter of approval that he received (rom Arago, secrétaire-général of the Académie, in his prospectus: