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Keywords from Image Description:
Tycho instrument sextant . Tycho Brahe drew the construction of his single person sextant SEXTANS CHALYBEUS PRO DISTANTIIS PER UNICUM OBSERVATOREM DIMETIENDIS used for measuring the angular distances between celestial objects Source kb dk Author Tycho Brahe in his Astronomi instaurat mecanica Wandsbek Description source kb dk