| Year | 1913 |
| Date | 17-Jul |
| Volume | 29 |
| Issue | 638 |
| Page | 63 |
| Category | Horology |
| Part | |
| Title | A Simple Method of Projecting Sun-Dials |
| Author | A.H.Stuart |
| Notes | Projection for a dial inclined to the horizontal at an angle equal to the latitude, projection for vertical & horizontal dials |