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A full brass pair of dividers by Adolf Deinert from Nuremberg, circa 1740

A rare full brass German pair of dividers bearing the hallmark of the famous weightmaker from Nuremberg, the wheel, Adolf Deinert. We find on the larger instruments the wheel with his initials “AD”. This full brass pair of dividers measures 10,7cm lenght.  Its two points are not reduced and the instrument is in genuine condition. A rare German signature on a pair of dividers.   Read More...

Carl Zeiss – camera lucida (Zeichenprisma).

Black enamelled Zeiss camera lucida in case. Very nice condition – no chips to the enamel. In plush lined case ( 9 x 5.5 x 5 cms).   Read More...

Baunsheidt’s Lebenswecker with Bone Handle

A nice example of Baunschheidt’s counter-irritant device in ebony with bone pulling handle in excellent condition. The Wood Library of Anesthesia notes: “Counterirritation is an ancient technique, also used in homeopathy. It induces inflammation in one spot for the purpose of relieving it in another. This might be done by rubbing a counterirritant substance (such as pepper or camphor) onto the skin, or inserting it under the skin by means of needles.The German inventor, Carl Baunscheidt (1809-1873) introduced his Read More...

Rachiotomy chisel, early 20th century

  Rachiotomy chisel of steel. Marked with a crowned aesculap, early 20th century Length: 30 cm.                 Read More...

Von Hippel’s automatic corneal trephine, Berlin, c. 1910

Von Hippel-type corneal trephine, c. 1910 A von Hippel-type automatic corneal trephine of c. 1910. The set in original leather box with red velour on the inner side is signed ‘Hornhaut-Trepan nach Prof. Dr. von Hippel’ and Wurach Berlin’. The set is in complete condition, it comes with a wind up drill, two trephine drills, two extensions, a bone cylindrical measuring instrument and a key. Trephines are normally associated with cutting out a piece of bone from a skull. However, Read More...

Two prototype bodytubes by Leitz for two microscopists or inclining tube, circa 1910

A very rare form, what seems to be prototype, of two bodytubes for Leitz microscope. Even unsigned, this two accessories were clearly made by Leitz, around 1910-1915 : -One with a prism for inclining tube measuring 15 to 20,5cm height -One, exceptionnal, with two bodytubes and one prism which allow to two users to look in the microscope in the same time. 14 to 17,5cm. This second one is preserved in its original wooden case with a small piece of paper Read More...

ARCHIMEDES, German teaching aid to teach fractions with wooden apples, ca. 1930’s

A rare German education tool to teach fractions and how to calculate with them, from ca.1930’s. Nine varnished apples, made of wood, are sliced into segments (representing fractions (eights, quarters, thirds, halves,…) that can be folded or moved, complete with the original instructions in the lid. The set was patented by Hugo Jung in Stuttgart in 1927 and produced, in the same city, by Rudolf Lobelenz. The apples are in very good condition, the cardboard box has some missing sides (please see Read More...

~GERMAN COMPASS SUNDIAL IN ORIGINAL BOX~

Diminutive in size (compass 3 cm., plinth 6 cm.) this good compass/sundial compendium has a nicely engraved sundial (IIII-XII, XII-VIII) in Roman numerals ( maker’s mark/initial “B”) with a flip up, hand chiselled, decorative gnomen. Hand coloured compass dial divided into 16 cardinal points with a blued steel needle (working) but showing some oxidation on the non-blued (silver) end.  The ebonised, bevelled plinth is 6 cm. square with brass screws to hold the sundial and brass pins on the bottom. Read More...

Brendel field Ahorn, c. 1880

A Brendel botanical model of the field Ahorn, or Acer campestre. The 16 times enlarged model from around 1890 is made of wood and paper mâché. It rests on a ebonized turned wooden stand with its original blue label on which it numbered no. 48, which corresponds with the Brendel catalogue. The Brendel model of the field Ahorn is part of the ‘Laubbäume und Nadelhölzer’ or deciduous trees and conifers series. It depicts the Male and the female blossom fifteen Read More...

~Wm. HARRIS & Co. CULPEPER MICROSCOPE-RARE SIGNATURE~

A fine and rare Culpeper-type compound monocular signed “Wm. Harris & Co., 50 Holborn, LONDON & Hamburg(h)”sic. Custom order with brass bound corners to the base (export?). Full sized (15 inch) with pull out drawer and a near complete compliment of accessories (sans stage bullseye and one objective). 90% original lacquer, exquisite diagonal roping of the brass and original trade label in door of the pryramidal case measuring 16 x 7 x 7 inches at the base. Original hinges and Read More...

Antique Carl Zeiss Dark Ground Microscope Condenser with Case

For sale antique Carl Zeiss Dark Ground Microscope Condenser with working iris, 37mm diameter fit, in fitted storage case.  The condenser is in very good period condition and carries serial number 6871.  The depth of fit into condenser carrier is 18mm. Read More...

GERMAN POCKET MICROSCOPE

SHIPPING BY FEDEX, UPS, ETC. FULLY TRACKED.  Contact Email:   [email protected] Read More...