Hero the younger
Encyclopedia
Hero the younger is the name given without any sufficient reason to a Byzantine land-surveyor who wrote (about AD 938) a treatise on land-surveying modelled on the works of Hero of Alexandria
, especially the Dioptra
.
Hero of Alexandria
Hero of Alexandria was an ancient Greek mathematician and engineerEnc. Britannica 2007, "Heron of Alexandria" who was active in his native city of Alexandria, Roman Egypt...
, especially the Dioptra
Dioptra
A dioptra is a classical astronomical and surveying instrument, dating from the 3rd century BCE. The dioptra was a sighting tube or, alternatively, a rod with a sight at both ends, attached to a stand...
.
Literature
- Geodesie de Heron de Byzance, published by Vincent in Notices et extraits des manuscrits de la Bibliothèque Imperiale, xix. 2 (Paris, 1858)
- T. H. Martin in Memoires presentes Academie des Inscript i ons, 1st series, iv. (Paris, 1854).