| Year | 1993 |
| Date | 01-Oct |
| Volume | 171 |
| Issue | 3,954 |
| Page | 406 |
| Category | Optical |
| Part | 2 |
| Title | Biological Microscope and Vertical Illuminator |
| Author | H.A.Holland |
| Notes | Constructs the limb. Slide supports, stage support, assembly of the limb body, machining the limb body, swivel buttons |