 | Edward Salisbury Dana - 1877 - 578 Seiten
...the cube is finally converted into the regular octahedron ; and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. The axes of the former, therefore, of necessity connect the apices of the solid angles of the latter.... | |
 | Edward Salisbury Dana, James Dwight Dana - 1880 - 520 Seiten
...the cube is finally converted into the regular octahedron ; and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. The axes of the former, therefore, of necessity connect the apices of the solid angles of the latter.... | |
 | Edward Salisbury Dana - 1885 - 546 Seiten
...the cube is finally converted into the regular octahedron ; and the last disappearing point of each face of the cube is the apex of each solid angle of the octahedron. The axes of the former, therefore, of necessity conneti the apices of the solid angles of the latter.... | |
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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... 
