The New Encyclopędia BritannicaEncyclopędia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 342
... Figure 5B . Another arrangement , involving a 90 ° rotational axis without mirrors , is shown in Figure 5C . It is clear that any axis of rotational symmetry in a Impossicrystal must be 360 ° / n , in which n is an integer , because ...
... Figure 5B . Another arrangement , involving a 90 ° rotational axis without mirrors , is shown in Figure 5C . It is clear that any axis of rotational symmetry in a Impossicrystal must be 360 ° / n , in which n is an integer , because ...
Page 612
Figure 15 : Fluvial erosion in the central Nam ib Desert , South West Africa . ( Left ) Granitic inselberg rising abruptly from gravel plain . ( Right ) Close view of one of the channels shown at left . L.K. Lustig – EB Inc. Figure 17 ...
Figure 15 : Fluvial erosion in the central Nam ib Desert , South West Africa . ( Left ) Granitic inselberg rising abruptly from gravel plain . ( Right ) Close view of one of the channels shown at left . L.K. Lustig – EB Inc. Figure 17 ...
Page 1023
... Figure 11 : The Etruscan and Roman tunic . ( Left ) Etruscan priest in long tunic and cloak , bronze figurine , 5th century BC . In the Bibliothčque Nationale , Cabinet des Médailles , Paris . ( Right ) Imperial Roman long - sleeved ...
... Figure 11 : The Etruscan and Roman tunic . ( Left ) Etruscan priest in long tunic and cloak , bronze figurine , 5th century BC . In the Bibliothčque Nationale , Cabinet des Médailles , Paris . ( Right ) Imperial Roman long - sleeved ...
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