10 demountable geometric solids in oak height 7.9 inch 1960 Vallardi Milan

Box containing 6 dismounplate geometric solids of oak wood, height 20 cm, in their original wooden box complete with illustrative leaflet for calculating surfaces and volumes. Made for educational purposes for schools by Antonio Vallardi publisher in 1963. Box cm 24 x 40 H 12 cm. The origins of the publisher Vallardi date back to 1750 when founder Francesco Cesare (1736-1799) acquired a small craft in the heart of old Milan. In the early nineteenth century, the publishing house was noted for the production of works of art, geography and science, including a "Tour of Italy" which took twenty-two printings between 1819 and 1835. The complete works of various maps and directions for travel, including timetables and fares for transportation of the time, can be considered the first modern tourist guide. The firm "Vallardi" was born in 1843 and the company became industrial, with the opening of branches on national...

FER model logarithmic circular slide rule H 39 No. 1675 from the 1930s, Italian Patent No. 1680, housed in its original round-shaped wooden box like the instrument, complete with in...

Box of compasses wood with rosewood veneer from the second mid-19th century, complete with key. In the center of the lid a rhombus-shaped brass medallion is engraved with the name...

Metronome system Paquet 1815 and Johan Maelzel 1846 from the second half of the 19th century. Measurements 11x11x23.5 cm - 4.3x4.3x9.3. The last photo is the gift box. This is an oa...

Set of Wooden Geometric Models, Bauhaus Style – Germany, Circa 1940 A rare and authentic set of wooden geometric models, designed in the iconic Bauhaus style and manufactured in Ger...

Wood sculpture composed by eleven cubic shapes designed by Elio Mari and crafted by Giovanni Sacchi. The pieces can be all nested together or freely assembled.

Incredible tri-dimensional toy wooden puzzle, with magnets, that connect together circa 1970's, apiece of art by itself.

A group of 22 small geometric solids made of solid wood with white traces for educational use. Some solids are decomposable. Castiglione, Turin, Italy circa 1900.