| Year | 1914 |
| Date | 14-May |
| Volume | 30 |
| Issue | 681 |
| Page | 457 |
| Category | General |
| Part | |
| Title | Some Home-made Harmonographs |
| Author | J.F. |
| Notes | General view of mechanical harmonograph, plan view, two views of clockwork of mechanical harmonograph, pendulum harmonograph at work, view of pendulum harmonograph complete, details, selection of designs |