. Denkschriften - Österreichische Akademie der Wissenschaften. Optische UntersucJtnngsmethoden. 71 1. Projektion parallel der z-Axe (senkrecht zur 1. Mittellinie) Fig. 6. Äquatorial-Skiodromen (Ellipsen)^ iMeridian-Skiodromen (Hyperbeln) Fig. 6. a — v/l—cosäl/cosä ß b =: sin ß. a' = sin V cos ß b' = lang V sin. 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 Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaf

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. Denkschriften - Österreichische Akademie der Wissenschaften. Optische UntersucJtnngsmethoden. 71 1. Projektion parallel der z-Axe (senkrecht zur 1. Mittellinie) Fig. 6. Äquatorial-Skiodromen (Ellipsen)^ iMeridian-Skiodromen (Hyperbeln) Fig. 6. a — v/l—cosäl/cosä ß b =: sin ß. a' = sin V cos ß b' = lang V sin. 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 Akademie der Wissenschaften in Wien. Mathematisch-Naturwissenschaftliche Klasse. Wien, New York, Springer

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