Leroy Parisian Boulle Mantel Clock

A boulle mantel clock by Leroy of Paris, mid 19th century, with…
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A Boulle mantel clock by Leroy of Paris, mid 19th century, with a Roman enamel dial with mark of Leroy a Paris enclosed by a gilt bezel, the wooden case inlaid with brass, Mother of pearl and red tortoiseshell, marked also Leroy a Paris to the Baschet Baullier mechanism, 41 cm high 42 cm wide

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  • Mother-Of-Pearl - Mother-of-pearl, technical name "nacre", is the inner layer of a sea shell. The iridescent colours and strength of this material were widely used in the nineteenth century as an inlay in jewellery, furniture, (especially papier mache furniture) and musical instruments.

    In the early 1900s it was used to make pearl buttons. Mother-of-pearl is a soft material that is easily cut or engraved.

    Nowadays it is a by-product of the oyster, freshwater pearl mussel and abalone industries.
  • Tortoiseshell - Tortoiseshell is a translucent material that comes from the horny carapace of a certain types of turtles, including the hawksbill turtle. It is often therefore mounted on a colour underground - often red - or inlaid with gold or silver thread, as seen in Boulle furniture.

    The texture and colour nuances of the material are extremely important. Heated tortoiseshell can easily be formed into various shapes. Like other natural materials, tortoiseshell becomes more beautiful with use. In a time before plastic, tortoiseshell was widely used for small objects such as combs and powder compacts.

    In 1973, the trade of tortoiseshell worldwide was banned under CITES (The Convention on International Trade in Endangered Species). Prior to importing or exporting items containing tortoiseshell a CITES permit must be obtained. Tortoiseshell items cannot be traded on Ebay.

    "Faux tortoiseshell", another case of man initiating nature, is made from old-style plastics such as celluloid and cellulos and is coloured with red, yellow and brown spots to imitate the genuine article. It is commonly used in glasses frames, musical instruments and costume jewellery.
  • Boulle - Boulle work is the name given to tortoiseshell and metal inlay using brass and sometimes silver, found on furniture and smaller wooden objects. It originated in Italy but was developed by Frenchman Andre Charles Boulle (1642 - 1732) under Louis XIV.

    Boulle was appointed Royal Cainet Maker to Louis XIV and designed furniture and clockcases for the monarch.

    In preparation, the tortoiseshell and metal were cut together following a design, using a fine fret saw.

    In the application of the Boulle, the carcase of piece of furniture was covered with the tortoiseshell which in turn was inlaid with the matched designs in metal, which in turn was elaborately engraved.

    The use of Boulle work furniture continued mainly in France until the 19th century.
  • Bezel - On a clock or watch, the bezel is the metal frame into which the watch or clock glass is fitted. In clocks, the bezel may include a hinge and a flange, in effect a door to the face of the clock. In jewellery the bezel is a band of metal with a projecting lip that holds the gemstone in its setting.

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