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Hourglass in straw marquetry made in France circa 1720

Hourglass in straw marquetry with geometric decorations on the hexagonal bases and around the rim. Rounded side openings. One bubble glass flask with two bulbs, one with 2 bulbs. Joint in fabric covered with threads partially gilded, and sand in eggshell. Dimensions : height of 15 cm x diameter of 6.2 cm. France circa 1720. Read More...

Charming Surveying Graphometer Clerget Au Butterfield Paris C 1750

Charming Surveying Graphometer signed Clerget Au Butterfield a Paris C 1750 A BRASS GRAPHOMETER, circa 1750 sign. CLERGET PARIS AU BUTTERFIELD. The protractor engraved with 2 grade scales 0-180. Central compass box with wind rose, directions, blued-steel needle and graduated around the edge. Base and alidades with upright sights, ball for ball-and-socket mounting,  Dimensions 23 cm. GRAPHOMETER, Paris, um 1750. Sign. CLERGET PARIS AU BUTTERFIELD. Very lovely floral engraving .       Read More...

Museum inclining Meridian finder and sundial invented by Julien Leroy signed By Jacques Lemaire 1746

A rare sundial invented by Julien Le Roy signed by Jacques Lemaire dated 1746. Julien Le Roy was Director of the French Société des Arts in the Early Eighteenth century He work closely with Jacques Lemaire. The sundial is engraved with the latitudes of twenty Europeans cities. Same model in The Greenwich Museum and in The Arts et Métiers Museum. See Daumas  Scientific instruments of the 17Th and 18 Th Centuries and their makers. Read More...

An unusual brass clinometer/graphometer, France, early 19th century

A quite unusual brass French clinometer and/or graphometer with a double rotative balljoint. The instrument is not signed, just bearing by ink, the name “graphometer” on the alidade so the instrument is French from the early 19th century. The brass instrument can be used like a simple clinometer or like a graphometer. Very craft construction. Read More...

Eighteenth Century Surveying Sighting Level with two sight vanes in original case

This brass level has mainplate , mounted with twin sight vanes  plus pinole sight. A central leveling tube fitted with liquid- filled clear glass vial. Same model described in detail by Nicolas Bion  The level is cased in his original wood box Read More...

Alidade with two fixed sight vanes and telescope surveying Artillery C 1750

Alidade with two sight vanes with braces and telescope with lens Read More...

Silver horizontal sundial signed Chapotot à Paris made between 1681 and 1684

Butterfield silver horizontal sundial. The top of the upper plate is engraved with three-hour scales 4-12-8 (two in Arabic numerals and one in Roman numerals) for latitudes of 40/45/50 degrees. The centre is decorated with foliate scrolls and signed “CHAPOTOT A PARIS“. Folding bird pin gnomon decorated with foliage scrolls, one side of which bears an engraved scale of latitudes from 40 to 60 degrees. At the bottom is a compass with cardinal points engraved on the bottom and a Read More...

Reflecting Gregorian Telescope C.1740 Claude Paris?

Beautiful Gregorian telescope mounted on a tripod base. In the main tube, a first steel mirror receives light (the image) which is then reflected and focused towards a second, smaller concave mirror. It is this image which is observed at the other end of the tube. An endless screw, installed along the tube, makes it possible to improve sharpness and vary the distance between the two mirrors. An additional tinted glass lens can be added for observing very luminous Read More...

Gautier d’Agoty anatomical print of the heart, plate 13

Anatomical print of the heart by Jacques Fabian Gautier d’Agoty made in 1752. Plate 13 was part of the Anatomie generale des viscères en situation, de grandeur et couleur naturelle, avec l’angeologie, et la nevrologie de chaque partie du corps humain (Full edition). The print is inscribed with ‘Planche XIII de L’Anatomie des Visceres, Dissequez peintz et gravez par Mr Gautier’ and ‘Correction de la neuviene Table Figure 2e ALMK cupe de l’arettet droitte a Q l’extremité de l’oreillete gauche qui recou Read More...

Gautier d’Agoty anatomical print of the heart, plate 14

Anatomical print of the heart by Jacques Fabian Gautier d’Agoty made in 1752. Plate 14 was part of the Anatomie generale des viscères en situation, de grandeur et couleur naturelle, avec l’angeologie, et la nevrologie de chaque partie du corps humain (Full edition). The print is inscribed with ‘Planche XIII de L’Anatomie des Visceres, Dissequez peintz et gravez par Mr Gautier’ and ‘Figure 1re Qr la crosse de l’aorte’s la racine de ses branches superieur Fig 2e CC coupe qui Read More...

Large Amputation saw in wrought iron 18TH Century

Large Amputation saw in wrought iron 18TH Century Read More...

Mid-size microscope signed “Dr. Arthur Chevalier, 158 Palais Royal”, 1870-1874

Mid-size microscope signed on the arm “Dr. Arthur Chevalier, 158 Palais-Royal”, 1870-1874. Mahogany case (height): 29 cm, instrument height: 27 cm. Very good condition. One of the stage clips is missing.  The microscope preserves three eyepieces, three objectives preserved in their brass canisters, all signed, and the stage mounted bull’s eye lens, exactly as described in the Arthur Chevalier catalogues (see the last image, number 28, figure 14). As the “Dr” title is present in the signature on this microscope, it dates Read More...