| Year | 1915 |
| Date | 28-Jan |
| Volume | 32 |
| Issue | 718 |
| Page | 78 |
| Category | General |
| Part | |
| Title | A Stereoscopic-Designograph (Harmonograph) |
| Author | Thomas E.B.Gunyon |
| Notes | Cardboard table, perspective view of wire carriage, links & bearings, plan view & sectional elevation of recording disc, perspective view of upper bell-crank lever & bearings, plan view of eccentric & lever, three simple designs |