| Reference number | PP/20/6/2 |
| Previous numbers | PP/52/6 |
| Level | Item |
| Title | Diagram, 'On certain appearances of beams of light, seen as if emanating from candle or lamp flames' by James Thomson |
| Date | 1892 |
| Description | A diagram of a vertical section of the eye, eyelids and 'watery prismoids', with a series of parallel lines to the eye representing 'rays of light coming from a flame several feet or yards away [...] to the eyelids, the prismoids, and the undisturbed outer surface of the cornea between the prismoids.' This diagram is described in detail in the accompanying paper. A rough sketch with extensive pencil annotations accompanies the diagram.
Subject: Optics
A print of this diagram was published in volume 52 of the Proceedings of the Royal Society alongside the paper 'On certain appearances of beams of light, seen as if emanating from candle or lamp flames'. |
| Extent | 2p |
| Format | Diagram |
| Physical description | Ink and graphite pencil on paper |
| Digital images | View item on Science in the Making |
| Access status | Open |
| Related material | DOI: 10.1098/rspl.1892.0052 |
Fellows associated with this archive
| Code | Name | Dates |
| NA6472 | Thomson; James (1822 - 1892) | 1822 - 1892 |