Astrolabes Sentence Examples

Tycho's armillae were astrolabes.

Beside their use for determining astronomical events astrolabes were used as teaching tools in the late Middle Ages.

No material advance was made on Ptolemy's instrument until Tycho Brahe, whose elaborate armillary spheres passing into astrolabes are figured in his Astronjmiae Instauratae Mechanica.

In fact the modern equatorial, and the altitude and azimuth circle are astrolabes in the strictest and oldest meaning of the term; and Tycho in one of his astrolabes came so near the modern equatorial that it may be taken as the first of the kind.