| Location | Main Location |
| Location Code | 307 |
Perform experiments with high quality, optically true lenses.
The Double Concave Glass Lens is made of optically worked, highly polished glass with ground edges.
| Location | Main Location |
| Location Code | 307 |
Perform experiments with high quality, optically true lenses.
The Double Concave Glass Lens is made of optically worked, highly polished glass with ground edges.