. The Canadian field-naturalist. Natural history. Fig. 3. Fifr. 4. Fig. 3 illustrates a cube composed of little cubical bricks, some rows of which are removed to shew the resulting step-like arrangement of the layers. All the edges of the steps lie m one plane, as seen in Fig. 4- If we remember that the little bricks are supposed to be so minute as to be separately invisible, it will be seen that the steps will appear to lie wholly in the plane, which thus torms a secondary face equally in clined to two faces of the cube. Haiiy also shewed how a rhombic dodecahedron resulted from the ai)plicat
. The Canadian field-naturalist. Natural history. Fig. 3. Fifr. 4. Fig. 3 illustrates a cube composed of little cubical bricks, some rows of which are removed to shew the resulting step-like arrangement of the layers. All the edges of the steps lie m one plane, as seen in Fig. 4- If we remember that the little bricks are supposed to be so minute as to be separately invisible, it will be seen that the steps will appear to lie wholly in the plane, which thus torms a secondary face equally in clined to two faces of the cube. Haiiy also shewed how a rhombic dodecahedron resulted from the ai)plication of successive layers of these little bricks, each less by one row all round, to the faces of the primitive cube, and of course the same result may be obtained by subtracting rows in the same man- ner. (See Fig 4.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa Field-Naturalists' Club. Ottawa
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Keywords: ., bookauthorottawa, bookpublisherottawa, booksubjectnaturalhistory
