Germany Archives - Page 23 of 26

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A good Victorian studio, portrait camera lens in the style of Petzval. Although unsigned, it is of the highest quality with excellent, damage free lenses and rack and pinion focusing (one screw replaced on mounting bracket). Bright brass construction with flip over lens cover (nipple in center). 57 mm. diameter thread mount to camera, 40 mm. object lens, 50 mm. internal lens, 52 mm. diameter body tube with an overall length of 80 mm. Read More...

24 Jan

Brendel model, Phytophtora infestans de Bary.

By Van Leest Antiques

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A Brendel botanical model of the “Phytophtora infestans de Bary No 10 K – Kartoffelkrankheit Blattdurchschnitt”. Brendel model of a cross-section through a potato leaf with phytophthora infestans (potato mushroom) model is manufactured by robert brendel (1821-1898), breslau tegenwoorrdig wroclaw poland. De retailer was Merkelbach & Co, Amsterdan and 43 cm high. Look for shop information on www.vanleestantiques.com Read More...

04 Jan

R. Brendel Taxus Baccata model, C 1880.

By Van Leest Antiques

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A Robert Brendel model of the Taxus baccata no 40a by Robert Brendel, C 1880. The label gives the follow text: Taxus Baccata. / L Fem et Fructus / XXII 12 Coniferae / Verge 10 u 40 fach. The retailer was Merkelbach & Co in Amsterdam. 40 cm high. Robert Brendel (1821-1898) started in the middle of the 19th century a factory for botanical flower shaped in Breslau, now Wroclaw in poland. Look for shop information on www.vanleestantiques.com Read More...

09 Dec

ART AND SCIENCE COMBINED: A TRULY EXCEPTIONAL 17TH CENTURY GRAPHOMETER

By TESSERACT

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ART AND SCIENCE COMBINED: A TRULY EXCEPTIONAL GRAPHOMETER, probably German, 17th century, the brass instrument 12” (30 cm) across, the thick main plate pierced and engraved with the most exuberant decoration of swirling stems, blooming flowers and winged putti. An elaborate engraved floral wreath surrounds the little glazed (French) compass, and a second wreath surrounds the initials “M.S.” and a heraldic design. The suspension point is finely engraved with drapery, and there are two fixed sight vanes. The semicircular Read More...

07 Dec

PRECISION PROTRACTOR FROM KASSEL

By TESSERACT

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PRECISION PROTRACTOR FROM KASSEL, German, c. late 19th century, signed “F. W. Breithaupt in Cassel,” and measuring 9” (23 cm) wide with a 10-3/8” (26 cm) long rotating alidade. This substantial protractor is made of brass with steel assembly screws, and has a semicircular scale divided, unusually, into twelve parts (each subtending 15°), each part further divided, along concentric arcs, into halves, quarters, eighths, sixteenths, thirty-seconds, and sixty-fourths. The alidade, with its beveled arm, has a center-zero vernier reading Read More...

26 Nov

Fine Cupping Set, ca. 1820 – 1860

By Bjoern Kambeck

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Fine example of a Cupping Set, ca. 1820 – 1860, complete with pump, all glasses, brass scarificator (working), and a tool in a wooden case; the 4 cupping glasses are in a perfect condition (no damages, cracks or similar), the original wooden case is in an exellent order as well (nothing damaged or repaired), case measures 11 3/4 x 6 x 4 1/4″ (30 x 15 x 10,5 cm); the set is probably of French or German origin. Read More...

15 Nov

LEDERMULLER Book on MICROSCOPES, 152 HAND-COLOUR. Pls.- NACHET COPY

By Alpha et Omega

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LEDERMULLER, Martin Frobenius (1719-1769). Mikroskopische Gemuths-und Augen-Ergotzung: Bestehend, in Ein hundert nach der Natur gezeichneten und mit Farben erleuchteten Kupfertafeln, Sammt deren Erklarung. Gedruckt von Christian de Launoy, [Nurnberg], 1760-65 FIRST EDITION 3 volls. in-4° (25cm), 8,96,2+50 plates (vol.1) ; 8, 97-202,2+50 plates (vol. 2); 16,94+50 plates (vol. 3); 20+1 plate (suppl.); 8+1 plate (suppl.). Engraved frontespieces. Contemporary calf, tight binding, gold tooling on spine. In modern slip case. Ex libris Collection Nachet. A very attractive copy of the most beautiful microscopical of all eighteenth century works. Read More...

13 Nov

F. Ziegler Embryonale plaster modellen.

By Van Leest Antiques

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Two plaster models made by Friedrich Ziegler beginning of the 20th century. Two human embryos in the second month of the development of the featus by Prof. Dr. A Ecker. They belong to a set of 5 models which give an External form from the third to the eight week of pregnancy. The two are the last two of the set and have a magnify 8-9 times. Made by the original mold and in good condition. 17 cm high Look Read More...

06 Aug

~EXCELLENT MAGIC LANTERN/MICROSCOPE PROJECTION LENS WITH VARIABLE FOCUS~

By Scientifica Opticae Inc.

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An unusual and exceptional magic lantern, variable focus projector lens with 99% original lacquer and perfect optics. Proably European (given the dimensions), this unique lens offers an alternative focussing option rarely seen in the industry. Instead of the clumsy rack and pinion focussing seen in most English and American models, this lens focuses by arced (elliptical) screw and slot. Smooth action, perfect lenses, 55 mm. coarse thread OD, 45 x 10 mm. slider slot with twin knurled screws, 80 Read More...

15 Jun

three cross sections models in the development of the frog

By Van Leest Antiques

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A set of three cross sections in the development of the frog. The basic structures that consist from ecto-, mesio and endodermal cells and grown out to Skin, Muscles, the neural tube, skeleton and muscles. The three cross sections are Sagital-, Frontal- and Transversaal section. Probably made by Somso in the 1940 and in perfect condition. Max. length 18 cm. Look for shop iformation on website page www.vanleestantiques.com Read More...

10 Apr

~FINE GERMAN DIPTYCH/PORTABLE SUNDIAL/COMPASS COMPENDIUM~

By Scientifica Opticae Inc.

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Fine, small format pocket sundial/Diptych dial with colorized sundial and latitudes, compass under yellowing glass (cardinal point for west is O), original string gnomen set for between 50 and 51 degrees (London). Paper on back depicting all major cities in Europe and in perfect (rarely used) condition. One or two stains but nothing that detracts. Original hooks to lock dial and for the fruit wood case. A fine, unsigned (as far as I can tell) example of this popular Read More...

21 Mar

Impressive compound microscope made in Germany at the 18th century.

By Galerie Delalande Paris

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Impressive compound microscope in black-tinted turned wood. The body is stylishly shaped with a serie of concentric rings of reducing sizes both way from a central cylindrical part covered with a brown leather wearing a gold-tooled frieze. Over the eye lens the top cover also ringed shaped. The focussing is achieved by screwing (endless worm) with lock system within the side-pillar itself mounted on the bevel edged hexagonal base. Literature: at this stage we could only refer to a similar model in the Read More...