| RefNo | AP/64/9/3 |
| Level | Item |
| Title | Unpublished diagram,'Showing the positive and negative principal points, and principal foci of a system of two lenses placed in contact and gradually moved apart' by George James Burch |
| Date | 1886 |
| Description | A diagram, labelled diagram 2, showing a number of asymptotic lines on an X and Y axis.
Subject: Optics |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink on paper |
| AccessStatus | Open |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA1360 | Burch; George James (1852 - 1914); professor of physics | 1852 - 1914 |