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Books Bücher 1 - 10 von 11 in 206 face of the cube is the apex of each solid angle of the octahedron. It is hence...
" 206 face of the cube is the apex of each solid angle of the octahedron. It is hence apparent why the axes of the cube connect the opposite solid angles of the octahedron. pursue the same process with each of the edges, keeping the Take another cube (one... "
MANUAL OF MINERALOGY (1857) - Seite 29
von JAMES D. DANA, A.M. - 1857
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A system of mineralogy: comprising the most recent discoveries: including ...

James Dwight Dana - 1850 - 711 Seiten
...that in figure 3, and finally a regular octahedron, (fig. 4) ; and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. Hence, the axes of the former necessarily connect the apices of the solid angles of the latter. By...
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Manual of mineralogy: including observations on mines, rocks, reduction of ...

James Dwight Dana - 1851 - 432 Seiten
...a regular octahedron, the form represented in fig. 20i. The last diminishing point in each 20 2U,i 206 face of the cube is the apex of each solid angle...another cube (one of large size is preferable) and knife, in cutting, equally inclined to the faces of the cube, and we obtain, in succession, the forms...
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A System of Mineralogy: Comprising the Most Recent Discoveries ..., Bände 1-2

James Dwight Dana - 1854 - 533 Seiten
...f. 15, then that in f. 16, and finally a regular octahedron, and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. Hence, the axes of the former necessarily connect the apices of the solid angles of the latter. By...
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A system of mineralogy: comprising the most recent discoveries: including ...

James Dwight Dana - 1854 - 533 Seiten
...f. 15, then that in f. 16, and finally a regular octahedron, and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. Hence, the axes of the former necessarily connect the apices of the solid angles of the latter. By...
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A System of Mineralogy Comprising the Most Recent Discoveries

James D. Dana - 1854
...f. 15, then that in f. 16, and finally a regular octahedron, and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. Hence, the-axes of the former necessarily connect the apices of the solid angles of the latter. These...
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Manual of Mineralogy

James Dwight Dana - 1855 - 432 Seiten
...regular octahedron, the form represented in fig. 200. The last diminishing point in each 20 20« 200 face of the cube is the apex of each solid angle of...another cube (one of large size is preferable) and knife, in cutting, equally inclined to the faces of the cube, and we obtain, in succession, the forms...
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Manual of Mineralogy, Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1864 - 456 Seiten
...regular octahedron, the form represented in fig. 204. The last diminishing point in each 20 20o 20i face of the cube is the apex of each solid angle of...octahedron. It is hence apparent why the axes of the cube con nect the opposite solid angles of the octahedron. pursue the same process with each of the edges,...
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Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1866 - 454 Seiten
...means of such models, the student may trace out important relations between tlie fundamental forms. face of the cube is the apex of each solid angle of...octahedron. It is hence apparent why the axes of the cube con nect the opposite solid angles of the octahedron. Take another cube (one of large size is preferable)...
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Manual of Mineralogy: Including Observations on Mines, Rock, Reduction of ...

James Dwight Dana - 1876 - 454 Seiten
...regular octahedron, the form represented in fig. 20i. The last diminishing point in each 20 20o 204 face of the cube is the apex of each solid angle of...octahedron. , It is hence apparent why the axes of the cube con nect the opposite solid angles of the octahedron. pursue the same process with each of the edges,...
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Manual of Mineralogy: Including Observations on Mines, Rocks, Reduction of ...

James Dwight Dana - 1877 - 454 Seiten
...regular octahedron, the form represented in fig. 20i. The lost diminishing point in each 20 20a 20i face of the cube is the apex of each solid angle of the octahedron. It is hence apparent why (he axes of the cube con nect the opposite solid angles of the octahedron. pursue the same process...
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