Sextans, Roman coin *

SEXTANS 211- AC Roman Rebublic

Almagest

Ptolemaeus Claudius

Erythraei Sive Rubri Maris Periplus, olim ab Arriano descriptus

Ortelius' Periplus published in his Parergon

Sundial of Phillipi 250-350 AD

facsimile of the oldest known Greek Sundial