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...

Small wood and brass wall and table aneroid barometer in the shape of a six-ankle rudder. Signed SB Smiths British Made Instrument of the 1950s. This is an instrument whose pressure...

Early 20th Century geometric teaching aid encased examples Dimensions in inches: H 4” x W 4” x D 4” Age: 1920 - 1940 Origin: EU Condition: Aged Overview A collection of seventeen ...

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.

19th Century French University Teaching Shapes - Collection Of Eight. We know little of the history or use of this collection but they are from the late 19th Century and came from ...