Dioptra
Draft by Heron.

Dioptra.

Draft by Heron.
Credits:
© Image, text: Slovar’ antichnosti. / Per. s nem. — M.: Progress, 1989 (to article “Dioptra”)
THE GALLERY OF ANCIENT ART
Keywords: dioptra the draft by heron hero of alexandria instrument for sight instrumentum at take a on goniometrical goniometer
History of Ancient Rome