| Reference Number | MIMM/2023-2-39 |
| Title | Trial Frames |
| Date | 1925-1975 |
| Creator Name | Theodore Hamblin Limited, Ophthalmic and Scientific Instruments Maker, 1913-2013 |
| Description | Optical trial frame, an optical instrument shaped like spectacles without lenses, allowing lenses to be inserted for testing. It consists of a metal frame with individual scales for each eye for lens insertion, and an adjustable nose piece.
Made by Hamblin as engraved. |
| Extent | 1 item |
| Dimensions | 170mm x 70mm |
| 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 | Vision Tests |
| Ophthalmology -- Instrumentation |