| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2131/2/I/3 |
| Alt Ref No | MS.2131.2 (12) |
| Title | 'Of the path of a ray of light passing through media that are in motion.' |
| Date | 4 December 1781 |
| Description | 'Of the path of a ray of light passing through media that are in motion.' 9 pp. [MS.2131.2 (12)] |
| Access Status | Open |