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19 Mar

Late 19th-Century French Medical Electricity Medallion

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A late 19th-century brass medallion with a medical battery cast on the front and the words:” Electrique 5 degres”. Verso: a large capital “E” and “Guerison Assuree”: Healing Guaranteed. The first two images show the medallion in it current patinated state,which we’ve chosen to leave it in. It could easily be polished. The remaining two show it under high illumination. Diameter without suspension ring: 1.25″ or 3cm.   Read More...
18 Mar

La Faye’ spring cystotome in silver and caustic holder in vermeil, 18th century

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Two very rare and exceptional ophtalmological instruments, they come together and were used together, from France, circa 1760-70s’ : -A La Faye’ spring cystotome used for cataract surgery and invented by La Faye in 1752 (see the last picture showing the original publication in the Mémoire de l’Académie Royale de chirurgie published in 1753). The instrument is made in solid silver and is in pristine condition. No hallmark. This is a groundbreaking instrument in the history of ophthalmology. 10 cm Read More...
15 Mar

Antique optometrist’s skiascope rack French ca 1900

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 Antique optometrist’s skiascope rack. A French, ebony and glass optical instrument, dating to the late Victorian period, circa 1900. Fascinating instrument following the mid 19th century H. Parent principle.Displays a desirable patina throughoutTactile ebony body presents dark hues with shaped edgesTwenty four glass diopters, each in very good orderEach rack with a plus or minus magnification from 0.50 to 10With original glides and original box Dimensions:Max Width: 6.5cm (2.5”)Max Depth: 0.5cm (25”)Max Height: 42cm (16.5”) Read More...
12 Mar

ELEGANT FOLDING RULE by SAUTOUT-CHOIZY, ca.1690

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ELEGANT FOLDING RULE by SAUTOUT-CHOIZY, ca.1690 A 3 3/8” (8.6 cm); 6 3/8” (17.2 cm) fully open folding brass rule with decoratively shaped joint-reinforcement element and alignment pin, hand-graved Demi pied du Roy and Lignes, and reading to 6 pouces. The pouce is a French inch slightly longer than the English inch. The joint is elegantly engraved on each face with a traditional flower-and-leaf design, shaded to give it depth. Mint condition. Pierre Sautout-Choizy (active 1682 – d 1714) at Quai de l’Horloge à Read More...
06 Mar

Late 17Th Century Surveying Compass with four Pinnules Signed HAYE A PARIS

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“Four pinnules, each with a slot, are attached to the compass shelf, which is mounted on a knee stand (and engraved with the signature); two of the stands can be folded down laterally. In the middle, the compass has a central rosette and a sixteen-way compass rose on its base, with a fleur-de-lis in the north, the French names of the four cardinal points and the initials of the four collaterals; a 360-degree scale surrounds the compass rose on Read More...
02 Mar

Equinoxial Brass Sundial rare signed Lasnier aux 2 Globes Paris C. 1735 in original leather case.

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Equinoxial Brass Sundial rare signed Lasnier aux 2 Globes Paris  C. 1735 in original leather case. Octogonal base plate containing a compass, with hinged latitude arm and a hinged hour-ring. Signed Lasnier au 2 Globes   Read More...
28 Feb

Rare Miniature Travel Reflecting Telescope C.1740

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Rare Miniature travel Reflecting telescope C.1740. 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.  The first model of Gregorian telescope was built in Read More...
28 Feb

A French Copernican armillary sphere, c. 1890

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A French Copernican hand rotating armillary sphere of the of circa 1890. Arising from an ebonized wooden stand with rotating planets around the sun. Eleven rotating celestial bodies are depicted including the Sun, Venus, Mercurius, Earth, Moon, Mars, Vesta, Jupiter, Saturn, Uranus and Neptune. At the centre the sun as a metal ball, the earth as a miniature papier mâche globe and the moon as a white bone globe. The earth can be rotated by hand and the remaining planets Read More...
25 Feb

A large pair of dividers in brass and steel, 17th century

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A fine and large pair of dividers in brass and steel measuring 15,7cm lenght. the instrument is not signed but from the 17th century or circa 1700. Very good condition.   Read More...
24 Feb

TWELVE PLATES FROM THE MAGNIFICENT BILORAT AND MORA TRADE CATALOGUE

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Eighteen Square Feet of Marvelous Prints, French, c. 1860’s. Each large plate measures approximately 12″ x 18″ (30 x 46 cm), mounted on card 16-1/2″ x 22-1/2″. The plates are engraved and lithographed by Willaeys, and printed by Leroy at 66 r. des Marais in Paris. They are colored and preserved with a wonderful freshness, depicting a wide range of electric devices including hand-cranked and liquid-battery-powered electro-medical devices (with one known as the “American apparatus”), galvanoplasty and telegraph instruments, Read More...
20 Feb

C. 1850 Traube’s Pleximeter

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A very good example of Traube’s pleximeter with scale. The body is bone and the hinged wings (aka: ears) are German silver with floral decoration. Length as shown in first image: 3.25″ (8 cm). A couple of rock-solid hairlines but overall in nice condition. The first image most closely captures the color of the bone. The London Science Museum has a similar example in its collection–see link below: https://collection.sciencemuseumgroup.org.uk/objects/co92098/pleximeter-by-charriere-of-paris Read More...
20 Feb

SITTLER’S CODE BOOK

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Public Permitted to Telegraph Coded Phrases! French, published 1885, entitled Dictionnaire Abréviatif Chiffré. Bound in maroon fabric, 4-3/4″ x 7-3/4″ (12 x 20 cm), the book has 100 pages, each with 100 numbered words and phrases arranged alphabetically throughout, plus three pages of instructions, enabling “Correspondence Secrète.” Condition is good, the last few pages coming loose.   This “7th edition” explains that all editions are the same, also that a French law of 13 June 1866 permitted the public to correspond Read More...
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