|Copyright © Klaus Piontzik|
|At the end of the 19th century the
geologists W.L. Green and A. de
Lapparent compared the shape of the earth with a
A similar comparison did in the sixties of the twentieth century B.L. Litschkow and N.N. Schafranowski with an octahedron.
Litschkow published a little later the model of a dodecahedron and an icosahedron for the earth shape.
In 1974 Nikolai F. Gontscharow, Wjatscheslaw S. Morosow and Walerij A Makarow published in the Russian magazine "Chimi-ja i Zisn" (chemistry and life, No. 3, March) the model of a dodecahedron of the earth.
end of 19. century
In den 60. Jahre 20. Jh.
in the 60. years of 20. centur
1999 S. Prumbach
|Illustration 1.2.1 - 1.2.2 polyhedron models of the earth|
|These polyhedron models of the earth were developed primarily by geologists. There is only one body missing to receive a certain set from bodies.|
|There is only the
cube missing to complete the Platonic
solids. Platonic solids are regular bodies which
are built up from regular bases.
There exist only 5 Platonic solids as shown here.
|Illustration 1.2.3 cube|
|200 sides, 23 of them in color
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