Polybius Square

---

Illustration of a Polybius square, an encryption and telegraphy device described by the Ancient Greek scholar, Polybius.

---

Size: 3602px × 3548px
Location:
Photo credit: © Science History Images / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ancient, art, artwork, character, code, cryptogram, cryptograph, cryptography, cypher, diagram, drawing, encryption, greece, greek, grid, illustration, letter, math, mathematical, mathematician, mathematics, numeral, polybius, square