The microscopist : a manual of microscopy and compendium of the microscopic science : micro-minerology, micro-chemistry, biology, histology, and pathological histology (1877)
Wythe, J. H. (Joseph Henry), 1822-1901 · Philadelphia : Lindsay & Blakiston · leaf 90
re symmetrical, about three rectangularaxes. The simplest forms are the cube and octahedron.Examples, diamond, most metals, chloride of sodium, fluorspar, alum. 2. The Quadratic or Dimetric System (Fig. 40).—Crystalssymmetrical, about three rectangular axes, but only twoaxes of equal length.… … Principal or Vertical Axes. Secondary or Lateral Axes. Fig. 41.
Microscopy · Histology · Microorganisms
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