| Reference Number | MIMM/2023-2-8 |
| Title | Trial Case |
| Date | 1875-1925 |
| Description | Rectangular wooden case with two front hook locks, containing an incomplete set of conical, concave spherical, and cylindrical lenses of varying powers, as engraved on ivorine labels. One lens is missing. |
| Extent | 48 parts (incomplete) |
| Dimensions | 245mm x 70mm x 140mm |
| Digital Collections | View online in our digital collections |
| Copyright | Free to use under the terms of the Creative Commons Licence Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) |
| Credit Line | Royal College of Physicians of Ireland |
| Object Name | Optical Instrument |
| Term | Optical Devices |
| Vision Tests |
| Physical Examination -- Instrumentation |