Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 655
all uniaxial crystals ; for instance,tourmaline, emerald, sapjjhire, beryl, mica, jiyromorphite, and ferrocyanideof potassium. 667. Hln^s In biaxial crystals.—^In biaxial crystals, coloured rings arealso produced, liut their form is more complicated. The coloured bands,instead of being circular and…
Physics
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