| Collection | GB 0231 University of Aberdeen, Special Collections |
| Level | Item |
| Ref No | MS 2131/5/I/30 |
| Alt Ref No | MS.2131.1 (75) |
| Title | 'The Planes of three great Circles of the Sphere which form a Spherical Triangle, do make a solid angle...' |
| Date | 18th century |
| Description | 'The Planes of three great Circles of the Sphere which form a Spherical Triangle, do make a solid angle...' 4 pp. [MS.2131.1 (75)] |
| Access Status | Open |