Antique Zograscope optical diagonal machine 18th. optical device

Zograscope is an optical device for magnifying flat pictures that also has the property of enhancing the sense of the depth shown in the picture. It consists of a large magnifying lens through which t

Original optical diagonal viewer for reverse written perspective view prints of the 18th and 19th century. This allows a viewer to read those backward written subject views of yesteryear.Measures 8-1/

Mahogany Zograscope, an optical device for enhancing the sense of depth, late 18th/early 19th C., with adjustable turned pillar, hinged mirror, and 4 1/2 " viewing lens in frame. 26" (H)

Fitted casemeasures 11 x 2.5 x 1.5 inches. "Chambre Claire Universelle" isused to reproduce on paper any image or object, large or extremely small - some damage to fitted case andmissing pieces

Measures approx. 9" long x 3 1/2" wide x 1 1/2" high (case).

Antique McIntosh Chicago Battery Optical Medical Device. Fascinating looking item made of a heavy metal base, tin body, and marble top. Marked McIntosh, Chicago. We are unsure of its original use, but

Antique Brass Library Telescope, Thomas Harris London. Beautiful 19th century optical device is made of brass and is attached to a tripod stand. Engraved Thos Harris & Sons, London; the piece is also

Vue du Canal de Chantilly, hand colored engraving, 12 x 19 inches, sight. Framed. ‘vues d’optique’ were a special kind of print designed to be viewed with an optical device that wo

Antique Brass Library Telescope, Thomas Harris London. Beautiful 19th century optical device is made of brass and is attached to a tripod stand. Engraved Thos Harris & Sons, London; the piece is also

ANTIQUE 18th CENTURY UNIVERSITY OF OXFORD COPPER ENGRAVING - OPTICAL PRINT CHEREAU. 63 Vue d'optique. Paris Size 16 1/2 by 11 1/4" Good condition, couple of tears at the margins. Please note that this

Rare antique medical device, Whole Face Ophthalmophantome, circa 1900. H 15". The ophthalmophantome is a model on which student doctors could try their hand at eye surgery. 

ANTIQUE 18th CENTURY LONDON STOCK EXCHANGE FRENCH COPPER ENGRAVING - OPTICAL PRINT Vué Interieure de la Bourse Royale à Londres Paris: Chez Daumont rue St. Martin, circa 1770. Size 16 1/2 by 11 1/4"

5 1/4" at its longest 2" wide Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century due to the poor lighting a

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

5 1/4" at its longest 2" wide Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century due to the poor lighting a

Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century due to the poor lighting and eyesight. This piece is mad

Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century due to the poor lighting and eyesight. This piece is mad

Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century due to the poor lighting and eyesight. This piece is mad

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d

3" at its longest closed ...5 1/4" at its longest open Nice reproduction of an antique brass flip out Magnification glass or lens. Magnifying glasses like this were used in the 18th and 19th century d