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BUTTERFIELD BRASS PROTRACTOR 17th CENTURY , DIAMETER 3.5 IN. GOOD COND.

IN GOOD CONDITION  BRASS PROTRACTOR by BUTTERFIELD IN PARIS Read More...

PAIRE PHYSIONOTRACES vers 1820

Rare pair of drawings executed with physionotrace. The original frames are in average condition, 32 x 37 cm. The portraits (probably a mother and her son) are very precise, they measure 14 x 17 cm On the back of that of the young man is indicated in brown ink: Hyppolite Pierre Gaignat dit Perrier, born in Paris on August 19, 1804. Then was added in black ink: died in Paris on December 5, 1844   Rare paire de dessins exécutés au physionotrace.Les cadres d’origines sont Read More...

Copernicus-type planetary representing the solar system made by Fortin in Paris before 1786

Copernicus-type planetary representing the solar system with in order from the centre: The Sun, Mercury, Venus, Earth in its meridian with the Moon, Mars, Jupiter and Saturn. Each planet, except the Earth, is represented by a cardboard disc covered with a printed paper mentioning the name and the period of revolution of the planet. The whole is set in a black and gold lacquered wooden frame representing a floral decoration (said to be Abbé Nollet’s). This support consists of a circular foot Read More...

French Anti masturbation device,18th C

A rare form of an Early anti masturbation device for young male, datable from the late 18th Century and certainly French. This rare device was made in silvered brass and it is in genuine and complete condition. The model also preserves its original padlock with its key. This from has a very rare piece sliding to free the penis of the little boy. This metal device is one of a number of similar devices which were invented in the 18th Read More...

Interesting Brass sundial By Henri Robert Horloger Paris C.1830

Interesting Brass sundial By Henri Robert Horloger Paris   C.1830. Work with Antoine louis Breguet  in Paris in 1829. Official Navy’s Maker in 1847. Watchmaker to the Queen . Some works and sundial in Louvre Museum. Read More...

17th century French graphometer signed Maretz à Aix made circa 1630

Exceptional brass graphometer signed “MARETZ A AIX” in a crimson leather-covered wooden case decorated with gold-tooled floral motifs. The instrument consists of a rectangular brass plate fitted with a compass, an alidade and a swivel foot. The top of the plate is fully engraved and the set is composed as follows: –      A semi-circle graduated from 0 to 180 degrees in both directions, numbered from 10 to 10, and 15 other scales, made up of dots and double-dots separated by Read More...

Hourglass in brass made in France circa 1700

An hourglass with a brass frame made up of two hexagonal bases linked by six columns formed by a brass rod and bordered by a trefoil frieze decorated with openwork hearts. Inside is a continuous flask of two clear “bubble” glass ampoules, one of which is composed of two spherical bulbs heat-welded together. The central joint is covered in grey fabric with gold threads and a white sabler inside the bulbs. Note: This hourglass is a great classic from the second half Read More...

Mother-of-pearl and blackened brass perpetual calendar made circa 1830

Mother-of-pearl and blackened brass perpetual calendar made circa 1830. The perpetual calendar consists of an openwork mother-of-pearl plate and a rotating mother-of-pearl disc on the back. The front is marked “Perpetual Calendar” and is engraved with a disc marked with the months of the year and inside cut into sectors with numbers marked 1 to 31 and small stars. The left-hand side has a cut-out window through which you can read the days of the week engraved on the disc below. Read More...

Hénocque’s Hematoscope/Lactoscope

  We are offering an example of l’Hématoscope d’Hénocque. In 1886, Albert Hénocque (1840-1902) published his SUR​ LE HÉMATOSCOPE​ D’HÉNOCQUE​ INDICATIONS TECHNIQUES DE SES APPLICATIONS​:​Spectroscopie​ Diaphanométrie et Photographie​ du sang, du lait, etc., etc. Paris, G. Masson. In this volume he laid out the applications of his hematoscope. What makes this instrument of special interest is that it was used not only for the diagnosis of diseases of the blood but also to test the quality of ​a woman‘s milk “either to choose between several [wet}nurses, Read More...

Metallic Polyhedron from the 19th Century – Hexaoctahedron with 48 Faces

Behold a masterpiece from the 19th century—a remarkable representation of an irregular polyhedron with 48 faces, specifically a hexaoctahedron, featuring 12 vertices. This exquisite work of mastery is a testament to the craftsmanship of the 19th century, showcasing both complexity and beauty. Key Features: Hexaoctahedron Structure: The polyhedron boasts an intricate hexaoctahedral structure with 48 faces, revealing the mathematical and artistic prowess employed in its creation. 12 Vertices: The presence of 12 vertices adds to the geometric complexity, creating a visually stunning Read More...

Rare taffrail log in case – Vion, Paris ca. 1950

A ship-log records the distance traveled through the water. With the time in hours between the observations, it gives the ship’s speed in knots. A very rare and complete yachting taffrail log. Hardly used. With clock, line, rotator, sinker weight and two shoes in a mahogany case. The log is fixed on a shoe at the stern of a ship. The recorder would have been connected with a line to the rotor at the end of the line. The governor Read More...

Reflecting or Borda circle – Schwartz, Lenoir, Paris, ca. 1840

Circle sextant, Borda circle, reflecting circle, circumferator, repeating circle, this instrument is known among several names. In Paris Chevalier de Borda published a description of his instrument in 1787. The instrument can measure angles greater than 180 degrees. At sea, it is used in determining lunar distances. This well preserved instrument is made by Schwartz,  Lenoir’s successor. Etienne Lenoir (1744 – 1832) who had his workshop also in Paris. In his time Lenoir was considered as the best designer of nautical Read More...