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Auctioneers Dr. Crott 90th Auction

176* 175* Julien Le Roy / Pierre Le Roy à Paris, Movement No. 4841, 42 mm, 72 g, circa 1775 A very fine, rare diamond-set gold enamel quarter repeating “à toc” pocket watch Case: gold enamel, the back lid engine-turned and translucent lilac enamelled, a centred emerald and diamond-set flower head, diamond- set bezels with translucent green enamelled leaf decor on sablé ground; diamond-set bow, pusher for repetition with large diamond. Dial: enamel, radial Roman hours, signed, gemstone-set Fleur-de-Lys hands. Movm.: full plate movement, keywind, firegilt, signed, 1 hammer, chain/ fusee, solid round movement pillars, cylinder escapement, steel balance. Julien Le Roy He was one of the most outstanding clock- and watchmakers of his time and certainly played a decisive part in establishing the leading role French clockmaking had in the 18th century. He became a master in 1713, presented an equation clock to the Académie Royale des Sciences in 1717, and was appointed clockmaker to the king in 1739 (with his own rooms at the Louvre). Le Roy invented the adjustable bracket for the verge escapement wheel (“potence”), the repetition strike on springs instead of bells for pocket watches, and the “all-or-nothing” piece for repeating watches. His inventions and improvements were of such extreme impor- tance that most watchmakers adopted them promptly for their own pieces. Later Le Roy was director of the Société des Arts; he and his son supplied the entries on watches and clocks in the encyclopaedia compiled by Diderot and d’Alembert. Julien Le Roy / Pierre Le Roy 巴黎 — 極精緻、罕見的黃金琺瑯鑲鑽 二問”à toc”懷錶   39678 C: 2 D: 2, 32 M: 2, 41, 51 9.000 - 15.000 EUR 11.300 - 18.800 USD 90.000 - 150.000 HKD A. F. Schnider à Francfurt, Movement No. 810, 40 mm, 45 g, circa 1780 A very fine gold enamel verge pocket watch with pastoral scene Case: gold, two-coloured gold bezels with lavish engravings of geome- trical patterns, the back side with a polychrome enamel medallion depicting a pastoral scene against an engine-turned and translucent sun-yellow ground, large outer hinge. Dial: enamel, radial Roman hours, Louis XVI hands. Movm.: full plate movement, keywind, firegilt, signed, chain/fusee, solid movement pillars, three-arm brass balance, fine florally engraved and pierced balance bridge. A. F. Schnider à Francfurt — 極精緻的黃金琺瑯軸式懷錶,鄉村田 園繪飾 39685 C: 2, 10, 17 D: 2 M: 2, 41, 51 2.800 - 3.500 EUR 3.500 - 4.400 USD 28.000 - 35.000 HKD

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