| Reference number | PP/17/38/2 |
| Previous numbers | PP/49/42 |
| Level | Item |
| Title | Diagrams, experimental observations by William De Wiveleslie Abney |
| Date | 1891 |
| Description | Two graphs showing observations relating to Abney's investigation into the limit of visibility of the different rays of the spectrum. The second graph is labelled 'Extinction of light for the spectrum each colour having a luminosity of 1 amyl lamp at 1 foot from screen'.
Subject: Optics / Photometry / Ophthalmology
Prints of these diagrams were published in volume 49 of the Proceedings of the Royal Society alongside the paper 'On the limit of visibility of the different rays of the spectrum. Preliminary note'. |
| Extent | 1p |
| 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.1890.0121 |
Fellows associated with this archive
| Code | Name | Dates |
| NA6454 | Abney; Sir; William de Wiveleslie (1843 - 1920) | 1843 - 1920 |