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Large steel sextant on stand, used for measuring angular distances between stars. From Tycho Brahe 'Astronomiae instaurate mechanica', 1602.

Filename
510011611.jpg
Copyright
World History Archive
Image Size
3848x5657 / 5.7MB
Large steel sextant on stand, used for measuring angular distances between stars. From Tycho Brahe  'Astronomiae instaurate mechanica', 1602.