| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2131/7/II/21 |
| Alt Ref No | MS.2131.1 (116) |
| Title | 'Let PL be an Object viewed by the Eye at O through any Number of Lenses...’ |
| Date | 18th century |
| Description | 'Let PL be an Object viewed by the Eye at O through any Number of Lenses...’ 3 pp. [MS.2131.1 (116)] |
| Access Status | Open |