Tycho Brahe, in his Astronomiæ instauratæ mecanica (Wandsbek 1598), shows how to mount the sextant to measure the elevation of celestial objects
(Source: Wikipedia)
Tycho Brahe, in his Astronomiæ instauratæ mecanica (Wandsbek 1598), shows how to mount the sextant to measure the elevation of celestial objects
(Source: Wikipedia)
Tycho Brahe, in his Astronomiæ instauratæ mecanica (Wandsbek 1598), shows how to mount the sextant to measure the...