| Answer | Crossword Clue |
|---|---|
| MAP | Product of Ptolemy |
| NILE | Battle of the ... (Ptolemy XIII's defeat) |
| NILE | Ptolemy believed the Mountains of the Moon was its source |
| ALMAGEST | Ptolemy classic. |
| RHO | P, to Ptolemy |
| GREEK | Astronomer Ptolemy, e.g. |
| ARA | Constellation described by Ptolemy |
| RHO | "P" as in Ptolemy |
| ALMAGEST | Ptolemy treatise on astronomy |
| MOUNTAINSOFTHEMOON | African heights, mentioned by Ptolemy |
| CLEO | Egypt's last ruling Ptolemy, familiarly |
| ALEXANDRIA | Ptolemy I founded a library here |
| ALMAGEST | Astronomical treatise by Ptolemy, c. 150 A. D. |
| EUCLID | Who wrote to Ptolemy I "There is no royal road to geometry" |
