| Year | 1993 |
| Date | 03-Dec |
| Volume | 171 |
| Issue | 3,958 |
| Page | 680 |
| Category | Optical |
| Part | 4 |
| Title | Biological Microscope and Vertical Illuminator |
| Author | H.A.Holland (New Zealand) |
| Notes | Commences work on the slide assembly. Stage, mirror, support and stage screws, slides, top slide, intermediate slide, tube slide |