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8 Geissler Tubes In Original Case Electric Demonstration

Interesting 8 Geissler tubes with special form in its original case The Geissler tube is a glass tube invented by the German physicist (and glassblower) Heinrich Geissler in 1857, designed to visually demonstrate the principles of luminous discharge (non-magnetized plasma). Geissler tubes (the first gas discharge tubes) had a significant impact on the development of numerous instruments and devices that rely on electrical discharge through gases. The glass cylinder, partially evacuated, is sealed on each side around a metal electrode at each Read More...

Painted Plaster Anatomical Model Heart And Lungs 19TH Century

Charming Painted Plaster Anatomical Model Heart And Lungs 19TH Century mounted on wood. All the organs are numbered. Good original color Read More...

Microscope A Niche Charles Chevalier Ingénieur Opticien Palais Royal Paris

A Drum Microscope ( A niche ) by Charles Chevalier  French, c.1840, in laquered brass, engraved in script ‘Charles Chevalier Ingr. Optn. Brevete, Palais Royal 163 Paris’, rack and pinion focussing, microscope screw-mounted on mahogany case, height mounted 30cm   Read More...

19th c. Biberon Robert Paperweight: nursing bottles

Biberon Robert dominated the market for nursing bottles in 19th France. The key to their success was the development of the long-pipe bottle  that allowed the child to self-feed. We are offering a paperweight that was manufactured for the firm, perhaps for the desks of their executives and favored customers. Few seem to have survived as they are virtually absent from the Internet. This example in bronze, which has handsomely patinated over the years,  is 5 ” (12.5cm) in Read More...

Large French Protractor signed Baradelle l’Ainé C.1720

Large French Protractor signed Baradelle l’Ainé C.1720 Good condition Read More...

Interesting Graphometer signed Fieuset à Paris C.1750

Interesting Graphometer signed Fieuset à Paris C.1750 The graphometer is mounted on a brass ball joint adjusted with a finely worked butterfly thumbscrew. T The swiveling arm and four sights are in perfect condition with intact brass target lines. Rare Signature Very good condition.    Read More...

A dated 1682 coin scale.

A dated and signed 1682 coin scale made by Nicolas Raybay, Lyon, France. It have almost set completed. Some weights has been replaced and other added for Barcelona maker weights. In a box made in wood, one clasp missing. Overall in good condition.18 x 7 x 3 cm. Read More...

Ombrédanne anaesthetic Ether inhaler By Collin c. 1930

An Ombrédanne-type ether inhaler by Collin, made in the 1930’s. This type of ether inhaler was introduced in 1908 by Professor Louis Ombredanne (1871-1956), a Paris born paediatric and plastic surgeon. The inhalator is signed by Collin Dépose No 23553 and will be dated at the 1930’s. Measurements 24 x 18 x 13 cm. Find out more on www.vanleestantiques.com Read More...

Mathieu lithotrite no. 1, 1880’s

A Lithorite no. 1 by Mason Mathieu a Paris with a slidable handle of circa 1870-1890  . The clamp can be opened by rotating the handle. Signed ‘Mathieu a Paris’ on the outer stem. Length: 36 cm.  Find out more on www.vanleestantiques.com Read More...

A 18th century iron masterpiece for experimental physics, medical magnetism or electricity, in shaped case

An intriguing and splendid piece of high quality steel datable from the second half of the 18th century preserved in its shaped case made in green morocco with small gilded decoration. The long piece of steel measures 25,5cm lenght, 6-12mm diameter.   Even if we cannot find another similar artefact this steel rod remember some Faraday or Galvani experimental steel.   We can suppose this very finely build piece of steel was used for experimental physics in magnetism or electricity, or maybe in animal Read More...

Large Double Pillar Cased Microscope “Grand Modele” by Nachet

Large Double Pillar Cased Microscope “Grand Modele” by Nachet.  C 1870.  There are a few accessories which include a case that has one objective (additional objectives are mounted on Microscope) and two eyepieces (one is mounted on microscope) and one over the eyepiece analyzer.   Unfortunately, the upper body tube of the scope appears to have been polished at some point and so lacquer is not present.   Microscope stands 12.5” (31.75 cm) tall.  Case dimensions are 15” (38.1 cm) tall Read More...

AN EARLY 19th OPTICAL ILLUSION (“ICONANTIDIPTIC”) PICTURE – Napoleon

AN EARLY 19th OPTICAL ILLUSION (“ICONANTIDIPTIC”) PICTURE – Napoleon & Maria Louise d’Austriche France, early 19th century Dimension with frame: 24x21cm (9 ½ x 8 ¼”), without: 18x13cm (7 x 5”). A wooden board is composed of two prints mounted in one frame to which wooden strips are fixed lengthwise. Both the strips and board are fixed in such a way that two different figures will appear, depending on the viewer’s position. If we look at the board from the left, we Read More...