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Hexagonal equatorial sundial in gilded brass and silver made in Augsburg made circa 1690/1700 signed Johann Willebrand

Hexagonal equatorial sundial in gilded brass and silver. Latitude arms (from 10° to 90°) mounted on a hinge. Compass on a golden background indicating the cardinal points with a steel needle and brass pivot. At the base of the compass, there is a plumb level to adjust the dial to a horizontal position. On the back there is an important list of latitudes and the signature “Johann Willebrand In Augspurg 48.” In its original black leather case with pink Read More...

Bock Steger Anatomical model, C 1895.

Didactic anatomical model in hand-painted plaster circa 1895 depicting a human heart. Engraved with the maker’s mark Franz Josef Steger and Carl Ernst Bock: “Bock Steger – Lips / G. Steger Schkenditz “. The notation “Lips” stands for Leipzig. The model is on an enlarged scale to provide a better view for learning. Sculptor Franz Josef Steger (1845 – 1938) collaborated with anatomist-pathologist Carl Ernst Bock (1809 – 1874) at Leipzig University to produce models for student teaching. These were Read More...

An impressive brass surveying protractor 45cm diameter and 70cm lenght, early 17th century

An exceptionnal brass protractor for surveying uses measuring 45cm diameter and 70cm lenght. The semi-circle is finely engraved and divided. The middle part is built has a large dividers with decorative parts serving to use the move the protractor. The long arm measures 70cm. The piece is original but was re-engraved in metric system in the early 19th century. The sights are now missing. An exceptionnal instrument by its size. Read More...

C1900 Cased German Insectoscope

A good cased C1900 German insectosope. Slides are spring-loaded and the spring functions well. Height: 2.25″ .There are 3 slides in the case but they are too large for this scope.  Read More...

~EXCELLENT SET OF CENTERING OBJECTIVES-ZEISS C.1890~(REVISED)

Cased set of petrographic/petrological/polarizing and centering objectives by Carl Zeiss, Jena c.1890. All signed and serialised with early lettering system used only by this German manufacturer. Maroon case measures 15 x 11 x 5 cm. with brass clasp/hasp and dark blue velvet interior. Marked “Schlitten Objektivwechsler” (sliding objective changer). All objectives are mounted on  heavy bayonet/bevelled flanges/collars with worm and screw adjustment by square key (now included). The objectives (from upper left) are as follows: 1)  Apo. a* (1 1/2 inch) with correction collar 2) Read More...

Simon & Halske Telegraph, Germany, early 1900s

Simon & Halske Telegraph, Germany, early 1900s Simon & Halske & Co. telegraph, Germany, with a large paper roll in the drawer, numbered 52473, dimensions 26 x 28 cm, 18 cm high  Read More...

Two electric wire coils E. Leybolds

Two wire coils for fundamental experiments with induction  from the company E. Leybold’s successor A.G. Cologne, ca. 1920. Dimensions: 16 and 20 cm.  Read More...

Anatomical horse model, C 1920.

An Anatomical horse model by Somso. A large c. 1920 German anatomical model of a horse probably by Somso. Hand painted papermaché and plaster on rectangular wooden base, not signed The model consist of 10 parts. The following internal organs are present: stomach, pancreas, heart, liver and kidneys. What we are missing are the lungs, spleen, small intestine and bladder. If it is a mare, which I doubt, then the uterus and ovaries are also missing. At that time, the Read More...

Ch. Kapp Puzzle globe, Nuremberg.

A Charles Kapp Puzzle globe, late nineteeth Century. the globe consists of 38 puzzle pieces forming a complete wooden sphere of 8 horizontal sections (diameter 20cm. when assembled), each section with a continent map on one side and a description of the continent on the other, engraved hand-coloured gores, French title and text, the south polar section mounted on wooden stand. It was designed as an instructive world globe for children, with horizontal wooden sections that fit together to Read More...

Müller Söhne artficial eyes

Fifty artificial eyes made  F. AD. Müller Söhne, made after 1909. The company Müller Söhne has been active on the market for artificial ayes since 1860 to the present day. The company  states that it combines art and craft in their glass eyes ever since. The eyes cannot be exactly dated, but on one of the boxes is indicated that Müller Sohne won the ‘Staatseherenpreis’ of 1909, the ‘Grand Prix Brussel of 1910’ and the ‘St Louis Goldene medaille’ of Read More...

Instruments of Destruction: Two C1875 Braun Cranial Perforators

Two Braun cranial perforators, both with ebony handles. Maker is Katsch, working in Munich. Katsch began operation in 1865 and we believe that the perforators were made not long after that date.  These gruesome instruments were, of course, used for cranial evacuation, necessitated by a still-born fetus having to be removed from the uterus. The straight example is 14.5″ or 36.25cm as shown.    Read More...

Anatomical lower jaw model, C 1920

Antomcial left underjaw model, plaster and polychrome painted on a wooden turned bass. The Cuspidaal (33) and a part of the bone/gummy are removable.  The model also shows the nerves, arteries, glandula sublingualis,caries and apical periodontitis at 37. The model is in excellent condition. Height (with stand) 26 cm. Width: 27 cm. Look for shop information on www.vanleestantiques.com Read More...