| Year | 1910 |
| Date | 17-Feb |
| Volume | 22 |
| Issue | 460 |
| Page | 152 |
| Category | Nautical |
| Part | |
| Title | Designing Model Speed Boats |
| Author | J.S.Yacua |
| Notes | Planimeter for measuring areas, illustrating Simpson's Rule, measuring are by means of squared paper, block, prismatic & midship coefficients |