Other Archives - Fleaglass

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FUSS (Nicolaï Ivanovitch), Instruction détaillée pour porter les lunettes de toutes les différentes espèces au plus haut degré de perfection dont elles sont susceptibles, tirée de la théorie dioptrique de Mr. Euler le père, et mise à la portée de tous les ouvriers en ce genre, Saint-Pétersbourg, imprimerie de l’Académie Impériale des Sciences, 1774. Thick 4to of (10), 83, (1) pages and two folding plates ; contemprary calf (hinges and head restored). Following Euler’s mathematical and theoretical work of 1747, Fuss’s Read More...

02 Aug

Smellie medical obstetric perforator by Piesche ca 1850

By Early Science

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Smellie perforator by Piesche ca 1850 in total ca 9 inch ( 23 cm ) long. Johan Piesche Dutch istrumentmaker 1825 warmoesstraat Amsterdam Read More...

23 Jul

A vertical brass plate condensor ca 1900

By Early Science

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A vertical brass plate condensor ca 1900 on a wooden base , in perfect condition . Dimensions of the wooden base 23,5 cm X 9,5 cm in tol 26 cm high Read More...

23 Jul

Electromagnetic tuning fork ‘PHYWE’ ca 100 years old

By Early Science

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Electromagnetic tuning fork with a vibrating or writing needle, in excellent working order at 4 volts, bearing the manufacturer’s name ‘PHYWE’ and ca 100 years old.Dimensions of the heavy iron base: 14.5 cm × 9.5 cm Read More...

02 Jul

Three draw brass telescope – Plössl, Vienna.

By Scientific Inspirations

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A three draw brass telescope, signed on the first draw, ‘Plössl in Wien’, measuring 6.75″ when closed and 19.75″ fully open. It has a main lens of 29 mm. The telescope is an extremely good example, damage free and gives excellent clear views. Read More...

18 Jun

A miniature silvered copper and boxwood Italian spyglass, 18th century

By Le Zograscope

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A miniature pocket silvered copper and boxwood spyglass with two draws. The instrument is certainly Italian form the 18th century. Some small cracks at the boxwood. The otpics work perfectly. 4cm diameter ; 3,5 to 6,7cm lenght. Read More...

08 May

Dental Phantom, c 1950

By Van Leest Antiques

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A mid 20th C. dental school practice head, known as a dental phantom head, with aluminum skull, articulating mouth and solid steel custom grond stand. Very training purposes, the mouth is anatomically accurate with 2 models . The upper and lower jaw models are screwed into the frame, which can be removed from the Phantom. 110 cm high. Look for shop information on www.vanleestantiques.com Read More...

04 May

A rare Italian pair of dividers, Lusverg-type, made in silver, late 17th century

By Le Zograscope

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A very rare example of a Italian pair of dividers made in silver with iron points in the style of Lusverg family, from the late 17th century. It measures 10,5cm lenght. All the silver mathematical Italian instruments are very rare and come very rarely on the market. The condition is excellent with no repair. Read More...

16 Apr

“A. Pichlers Witwe und sohn Wien” didactic microscope model, C 1910.

By Van Leest Antiques

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A didactic model of microscope with views of the light beams. This model shows the working of the lens of a microscope. Complete and the dimensions are 25 long x 18 cm high. The company was founded in 1793 by Anton Andreas Pichler in Vienna. Following the founder’s death in 1823, his widow, Elisabeth Pichler, continued the business. From 1851/1852, the company was renamed A. Pichlers Witwe & Sohn (A. Pichler’s widow & son), after her son Franz Pichler had Read More...

16 Apr

“A. Pichlers Witwe und sohn Wien” Schemaischer Straalengang im terrestrischen Fernrohr, C 1920

By Van Leest Antiques

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A schematic ray diagram of a terrestrial telescope shows how light travels through the system so that the final image is magnified and upright. The set have: Objective lens (convex lens) Collects light from a distant object Forms a real, inverted intermediate image Erecting system (lenses or prisms) Turns the image upright again Often consists of multiple lenses or prisms Eyepiece (magnifying lens) Magnifies the image for the observer In the Corner is the monogram of the firm “A. Pichler Witwe und Sohn Wien”. The company was founded Read More...

11 Apr

Military surveyor’s rule signed Iacobus Lusuerg Faciebat Romae dated 1677

By Galerie Delalande Paris

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Extremely rare military surveyor’s rule made of brass with two movable arms pivoting around a flat hinge supporting a compass. The ends of the arms are decorated with stops and the underside of the compass is adorned with a superb rosette. Both sides of the instrument are engraved with scales and the instrument is signed “Iacobus Lusuerg Faciebat Romae A.° 1677.”. One of the very rare artillery instruments made by the Lusuerg family and, to our knowledge, the second attributed Read More...

11 Apr

Equinoctial ring made of brass and steel made in Italy circa 1750

By Galerie Delalande Paris

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Equinoctial ring made of brass and steel, consisting of two articulated circles and a central bridge with a movable slider, equipped with an adjustable throne surmounted by a ring. The outer meridian circle, graduated from 0 to90°, allows the latitude to be adjusted by sliding, while the has a double hour graduation (I to XII) and a 1–24 scale on a sliding blade. The central bridge, openworked to allow the passage of sunlight, is engraved with a calendar scale (months Read More...