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13 Dec

GERMAN CHEST-TYPE MICROSCOPE c.1810-20

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A GERMAN CHEST-TYPE COMPOUND MICROSCOPE c.1810-20 Attributed to C. Oechsle Dimension: 15 ¼” (39cm) high; case 13 ¼” (34cm) x 5 1/8” (13cm) x 4 ½” (11,5cm) Fully complete with many accessories, As in photos, this microscope is very complete in accessories, perfect working condition and remarkable conservation. The walnut case is in perfect condition. Original key and lock. An untouched microscope in its original patina. Although unsigned, this microscope can be attributed to Carl Oechsle of Esslingen (Germany). This “chest-type” microscope is almost identical Read More...
13 Dec

8 x PAINTED GUSSETED SPECTACLES CASES SOME EROTIC C1820

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A: RARE SMALL SIZE 110mmLONG . PAINTED BOTH SIDES, ONE EROTIC, +SLEEVE B: MAN SMOKING PIPE , GOOD COND.WELL PAINTED, + SLEEVE C: VERY WELL PAINTED BOTH SIDES + SLEEVE, EXCELLENT COND. D: MEN IN A BOAT ,WELL PAINTED , ONE SMALL SCRATCH AND ONE SMALL NIBBLE. E:  EROTIC WELL PAINTED SLAVE WOMAN BEING SOLD, EXCELLENT COND. F: FINELY PAINTED HUNTING SCENE , ONE SMALL SCRATCH ,ONE MARK ON EDGE,ONE NIBBLE G: MY WIFE SAYS STUNNINGLY PAINTED, EXCELLENT COND. + SLEEVE, VERY GOOD H: PAINTED FINELY Read More...
02 Nov

Planispheric Astrolabe – Equinoctial Dial, late 16th–early 17th century

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Origin: Probably Southern Germany (Nuremberg or Augsburg) or the Flemish region (Louvain or Antwerp). Date: circa 1580–1620 Material: finely engraved brass Diameter: 9 cm   A beautifully crafted planispheric astrolabe or equinoctial sundial, dating from the scientific Renaissance. The instrument features a rotating rete and latitude circles engraved with major European cities, allowing adjustment for various locations.   Principal Latin inscription:   “Ni certa solis lumina de vient” (“Even the rays of the sun are uncertain [or inconstant].”) A philosophical reflection on time and change, typical of German Renaissance scientific Read More...
02 Nov

18th Century Octagonal Brass Sundial Signed “Johan Schrettegger,

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Exceptional 18th-century octagonal brass sundial, signed “Johan Schrettegger, Augsburg”, featuring a blued steel needle, a folding latitude arc engraved 10°–90°, and an engraved equinoctial hour ring with folding gnomon.   This finely made instrument exemplifies the precision and craftsmanship of Augsburg’s scientific instrument makers, who were renowned throughout Europe during the Enlightenment for their accuracy and elegant design.   Compact and beautifully preserved, the piece combines scientific functionality with decorative sophistication.   Dimensions: 5 × 5 × 1 cm (2 × 2 × 0.4 in). Read More...
02 Nov

19th Century Horizontal Bronze Sundial After Erasmus Habermel

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Fine 19th-century horizontal sundial, crafted in bronze, inspired by the designs of Erasmus Habermel (ca. 1538–1606, Prague), one of the most celebrated instrument makers of the late Renaissance.   This piece faithfully reflects the scientific precision and aesthetic refinement characteristic of Habermel’s original instruments, combining functional accuracy with ornamental engraving and elegant proportions.     Dimensions: 14 × 10 × 10 cm (5.5 × 3.9 × 3.9 in).   Read More...
02 Nov

18th Century German Gilt Brass Portable Sundial Signed “J. Vogler”

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Exceptional German portable sundial, finely engraved and gilt brass, signed “J. Vogler”, and preserved in its original fitted case. Made in the 18th century, this exquisite instrument exemplifies the precision and artistry of German scientific craftsmanship, likely from one of the leading centers of instrument making such as Nuremberg.   The piece features detailed engraving, elegant design, and beautiful gilding, demonstrating the perfect balance between scientific function and decorative refinement.   Dimensions: 6 × 6 × 1 cm (2.4 × 2.4 × 0.4 in).   A Read More...
02 Nov

SOLD – Antique Leitz Stand 1B Brass Microscope with Mechanical Over-stage c1901, Cased

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Antique Ernst Leitz Wetzlar – Monocular Brass Microscope – Stand 1B circa 1901, Cased Offered for sale is a good working condition example of a compact Leitz monocular Stand 1B model in brass, supplied with a correct matching-numbers hardwood storage case. Here we have a good example of an antique monocular brass microscope by Ernst Leitz of Wetzlar in Germany, bearing production reference number 62839, which according to my Leitz dating table means that this example was manufactured in 1901.  The Read More...
23 Oct

Inclined Plane by Max Kohl, circa 1900

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A large wooden inclined plane which was used to demonstrate the laws of falling bodies and to determine the coefficient of friction between two surfaces. The trolley and the scales are later but the plane is in perfect original condition with its three wooden feet. 60x40cm. Read More...
22 Oct

A rare 18th-century microscope magnification slider with five magnifications in complete condition.

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This is a rare 18th-century microscope with a magnification slider offering five distinct levels of magnification, and it is in excellent condition. While it could have functioned autonomously, however, the presence of the rail with the stops suggests it may have been part of a larger instrument. There are limited options for the maker of this instrument, as only a few manufacturers utilize such sliders. I’ll leave further research to more knowledgeable experts. Please also note the provided dimensions. Read More...
03 Oct

Double cone on inclined plane, C 1920

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The mechanical paradox consists in a double cone which is able to climb up along an inclined plane. The double cone rises when the slope of the inclined plane is smaller than the product given by the tangent of half the cone’s angle and the tangent of half the angle of slide’s opening. So the phenomenon has nothing paradoxical, but it is in perfect accord with the laws of mechanics. Length Cone 32 cm and begin 20th century. Look for Read More...
27 Sep

Antique microscope 1897. Medical scientific.

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A Victorian brass microscope by Ernst Leitz Wetzlar  c1897 and also marked with the retailers details ‘C. Baker 244 High Holborn London’. The stand carries the number ‘53502’ allowing us to date this microscope reasonably precisely. The microscope mirror is concave one side and flat the other, the concave side is marked around the edges, in working order and good condition but with some marks. In 1849, Karl Kellner founded the Optical Institute in Wetzlar, Germany, which in a few Read More...
25 Sep

Esmarch Military Anesthesia Kit

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A good cased example of an Esmarch military anesthesia kit for use with chloroform. The set contains a mask, chloroform dripping bottle and tongue forceps. All elements are original to the kit. The last couple of inches of the strap that keeps the case closed has been restored–see last image.  The Wood Library site notes regarding kits of this type: “German surgeon Friedrich von Esmarch (1823-1908) introduced this inhaler in 1877. Cloth was stretched over the wire frame, providing a large Read More...
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