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Meyers sa. page Seite showing types of optical polarization apparatus sie zeigt optische PolarisationsApparate ca Fig Turmalinzange Fig Polarisationsapparat von Biot Fig Polarisationsapparat von Nrremberg Fig Mikroskopischer Polarisationsapparat von Nrremberg Fig Mikroskopischer Polarisationsapparat von Hofmann Fig Polarisationsapparat