Only Online Auction

Geneva, Sep 22, 2021

LOT 394

Unsigned
Horological tool; machine for the manufacture of cylinder wheels; iron, cast iron, steel, brass and wood

CHF 1,000 - 2,000

EUR 950 - 1,850 / USD 1,100 - 2,200 / HKD 8,600 - 17,100

Iron, cast iron and steel machine for the manufacture of cylinder wheels, components of the cylinder escapement for watches; with some brass elements, on a wooden base.

This machine is designed to polish the active faces of the escapement wheel teeth. It was driven by a pulley connected by a belt to the engine system of the workshop (this motor can be driven by hydraulic or electrical power).


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Grading System
Grade: A

Good
Case: 3-6-8

Good

Slightly oxidized

Slightly scratched

Brand Unsigned, Franco-Swiss Jura Arc

Year late-19th century or early-20th century

Material iron, cast iron, steel, brass and wood

Length 280 mm. (approx.)

Height 230 mm. (approx.)

Width 230 mm. (approx.)

Weight 4 kgr.

Notes

Bibliography

· Belmont, Henry-Louis, L’échappement à cylindre (1720-1950), le Haut-Doubs, centre mondial au XIXe siècle, Besançon, Editions Technicmédia, 1984 (328 pp.).

· Simonin, Michel, L’horlogerie au fil du temps et son évolution en Franche-Montagne, sur le plateau de Maîche, Maîche, Editions M. Simonin, 2007.

CONDITIONS AND INFORMATION FOR BUYERS

The purchase price payable by a buyer will be the sum of the final bid price plus the buyer’s premium, together with any applicable sales or compensating use tax. In addition to the hammer price, the buyer’s premium is payable as follows: 25% of the hammer price on each lot.

Important notice – Special conditions Please look carefully at all the photos as they are an integral part of the description. Any defect not mentioned in the descriptions but visible on the photos will be considered as described and cannot lead to any claim. The dimensions are given as an indication and may slightly differ from the measures mentioned by the manufacturers especially for contemporary watches. The photos are not retouched. Colors may differ from reality. For timepieces, we guarantee neither the functioning nor the precision of the movement, nor the water-resistance of the case. In addition, please note that movements, parts of mechanisms or cases may be incomplete. The lots are sold “as is”, described to the best of our knowledge and cannot be returned. Once the online bid is placed by the bidder, it cannot be cancelled.