| Year | 1953 |
| Date | 04-Jun |
| Volume | 108 |
| Issue | 2,715 |
| Page | 686 |
| Category | Optical |
| Part | |
| Title | A Research Microscope |
| Author | Lawrence H.Sparey |
| Notes | Materials, details of the limb, preparing the castings, slow motion movement, elevations and plan of the foot, materials |