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A method of petrographic analysis based upon chromatic interference with thin sections of doubly-refracting crystals in parallel polarized light ...

Thesis (Ph. D.)--University of Pennsylvania, 1903. / Bibliography: p. 22.
Date January 1903
CreatorsDerr, Homer Munro.
Publisher[Philadelphia] Randal Morgan Laboratory of Physics,
Source SetsOCLC
Detected LanguageEnglish

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