Brass kaleidoscope with disks of glass and wooden support
Brass kaleidoscope with disks of glass and wooden support.
The fascination that the kaleidoscope has always aroused the interest on it showed scholars, philosophers, artists over the past two centuries, has made a valuable and fine collectibles, a prestigious gift to give, a mysterious optical instrument timeless. The inventor of the kaleidoscope, the Scottish physicist David Brewster, through an essay of Applied Optics A Treatise on Kaleidoscope, released in 1819 in London, devoting an entire volume to this extraordinary tool, shows how a simple object can hide the profound meanings able to stimulate both extensive research and philosophical, literary and artistic works, that the fantasy of a common observer. Among others, inspiring the search for one of the most famous mathematicians of the twentieth century, Harold Scott MacDonald Coxeter, in 1933, in fact, was able to classify kaleidoscopes, thus initiating the investigation into the geometry beyond the third dimension. Our proposal includes a kaleidoscope of brass with wooden box and seven different types of effects: magic tube, flake glass, glass discs, lenses, and others, and comes complete with wooden support to sustain when mounted.
Signum Bookbindery
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Signum Bookbindery Our company, founded for almost two decades, is based on the principles for the use and disclosure of the historical-artistic and cultural tradition of Florentine craftsmanship; Signum realizes, in fact, high-quality products characterized by strict production at hand, from the pregevolezza materials, the refinement of design. Unique objects still closely tied to the historical manufacturing tradition of Florence, capable of arousing the pleasurable sensations of a distant and fascinating world, renewed each time, for example, the pleasant smell of leather to the touch or perception of granulation of the paper. In the last decade we have concentrated mainly on the production of leather bookbinding and paper keeping alive the link with the techniques and materials of the past with the wisdom of the historical craft tradition perpetrated on our master bookbinder, a talented craftsman who has increased its expertise and knowledge during long periods of activity as a restorer at the National Library in Florence. In our catalog are also present useful items to learn the ancient techniques a writer but also reproductions of historical maps of planispheres, as well as pleasing playful items like puzzles, dolls and colorful kaleidoscopes. The purpose of Signum since its inception has been to satisfy our customers with elegant and unique, but also pamper yourself with the pleasant and renewed evidence of our precious and illustrious past. |
