Other Archives - Page 2 of 20

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A Russian “Sputnik” stereo camera in good working condition with original carry case Read More...

A Spanish gothic scale, end of 15th century

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A wrought iron gothic scale, Spain 15th century. This is a very rare specimen which has survived to our days. Due to its size, probably for weighing gold. Signs of use and nice patina. 32,5 x 23 cm. Read More...

15 Nov

Early 20th Century Handheld Petrographic Microscope

By Gilgamesh

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This listing features a unique, pocket-sized handheld petrographic microscope that is fully functional and extremely rare. The design is quite impressive, as demonstrated in the accompanying photos. The microscope includes two optional optical tubes, each offering a different magnification. These tubes slide into a sleeve that can be tilted in and out of the optical axis for viewing thin sections. Both the analyzer and polarizer can be rotated, with click stops every 45 degrees for the polarizers and markings on Read More...

31 Oct

First edition of Galileo’s Collected Works

By Landmarks of Science

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GALILEI, Galileo. Opere. In questa nuova editione insieme raccolte, e di varii Trattati dell’istesso Autore non piu Stampati accresciute. Bologna: Heirs of Evangelista Dozza, 1655-56. First collected edition, edited by Carlo Manolessi, and a large, crisp and absolutely complete copy. This edition, which appeared only a year after Galileo’s death, contains all of his major works, excluding of course the ‘Dialogo’ and ‘Letter to Christina’ which were then on the Index and did not appear in editions of his works Read More...

26 Oct

16th – 17th century forged weight.

By Bertran Antiques

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Remarkable forged weight with numerous marks of years of inspection. 16th – 17th century. 22 cm high. Weight 1.64 kg. Read More...

25 Oct

An early Italian brass sector, circa 1600

By Le Zograscope

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A very early brass sector, not signed, but Italian and from the late 16th century or early 17th century. The instrument consisting of two flat legs folding each other like a scissors with steel decorative tips at their end. The legs are inscribed with one double scale on each side from 2 to 12 to divide a line down to the twelfth part and another one from 3 to 10, certainly a stereometric scale. The hinge has a index in form Read More...

25 Oct

~GOOD POCKET SLIDE VIEWER/MICROSCOPE-CASED WITH SLIDES~

By Scientifica Opticae Inc.

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A good cased pocket microscope/slide viewer in original brown card case with two green paper slides of fern and spider. Construction is brass and plastic/gutta-percha with variable threaded focal length. Slides in good condition-rubbed corners. Case measures 6 x 4 x 4 cm. Foreign made with English instructions to inner lid. c.1900 novelty. Good optics. 50X mag. Read More...

17 Oct

~LARGE CONTINENTAL COPY OF JONES MOST IMPROVED MICROSCOPE~

By Scientifica Opticae Inc.

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21 inches (52 cm.) fully extended by external rack and pinion, this pleasing Dutch? form of the Jones brass microscope has a few nuances/innovations not seen on the English models. The 7 inch body tube (excellent lacquer) terminates with a rotating head of 6 lenses (all intact) as seen on Dollond models, eared stage with rectangular slot for Lieberkuhned lens (missing) and additional slots for the stage magnifier (on arm) and forceps. Large 2 x 2 inch sprung Bonnani-type Read More...

12 Oct

Signed antropometer c. 1840

By Van Leest Antiques

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An antropometer signed Baldinelli from Milano, Italy? At the top a pin to set the item still. One of the knobs is missing as well as two knobs at the end. Look for shop information on www.vanleestantiques.com Read More...

08 Oct

COPPER PLATE FROM TABULAE ANATOMICAE OF BERRETTINI (1741)

By Alpha et Omega

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A copper-plate (Tab.VI) of the Pietro Berrettini (called “Pietro da Cortona”) from Tabulae Anatomicae (1741). Framed into a later guillochè frame here an original copper plate from the Pietro Berrettini “Tabulae Anatomicae” treatise, first printed in 1741. Plate is 28×19 cm (11 x 7″). With frame: 52×43 cm (19 x 15 ½”) ————— The story of this book is intriguing: in about 1618 Berrettini prepared a series of twenty anatomical drawings on grey paper, made from dissections at the Santo Spirito Hospital. Read More...

07 Oct

Small Spanish 18th century unguentary bottle

By Bertran Antiques

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Unguentary, Catalan blown glass, 18th century. Piece in good condition, intact. Green colour. 8 x 5.5 cm. Read More...

03 Oct

A SURVEYOR’S CROSS with COMPASS and SIGHTS Signed: “N. Blondeau f.” late 17th

By Alpha et Omega

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A brass cylindrical surveyor’s cross with compass and sights signed “N. Blondeau f.”. Black leather case, red velvet-lined, with gold toolings. The compass with the main winds in Italian (LEvante, MEridie, POnente, TRamontana). The instrument has been recently acquired directly from the descendant of the Visconti family; it was found in the basement of the Villa in Cassinetta di Lugnagnano (MI) together with other coeval surveying instruments where they were from the age of their use. Dimension: 21 cm high; diam. 7.3 Read More...