| Reference Number | WJTS/2/35 |
| Title | 38 - Rates of blindness, 1851-1911 |
| Date | [1910s] |
| Creator Name | Mason, Thomas Holmes, 1877-1958 |
| Thompson, Sir William John, 1861-1929 |
| Description | Glass lantern slide showing the rate per 10,000 of blindness in the Irish population for each of the census years from 1851 to 1911. |
| Extent | 1 slide |
| Term | Censuses |
| Blindness |
| Population Characteristics |