| RefNo | AP/15/1/7 | 
| Level | Item | 
| Title | Unpublished diagrams, incline of shadows by [John Barton] | 
| Date | [1831] | 
| Description | Figures 11-12 showing the incline of shadows in relation to cards of different shapes. 
 Subject: Physics
 
 Communicated by Davies Gilbert. Received by the Royal Society on 5 March [1831]. Read 16 June 1831.
 
 Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 3 of Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London [later Proceedings of the Royal Society] as 'On the inflexion of light'.
 
 A similar paper was published by Barton in the The London and Edinburgh Philosophical Magazine and Journal of Science: Barton, John. 'On the inflexion of light'. The London and Edinburgh Philosophical Magazine and Journal of Science, series 3, volume 2, pp. 263-269.
 | 
| Extent | 1p | 
| Format | Diagram | 
| PhysicalDescription | Ink on paper | 
| AccessStatus | Open | 
| RelatedMaterial | Barton, John. 'On the inflexion of light'. The London and Edinburgh Philosophical Magazine and Journal of Science, series 3, volume 2, pp. 263-269. | 
| DOI: 10.1098/rspl.1830.0044 | 
| RelatedRecord | AP/15/1 | 
| URLDescription | Published version available online at the Biodiversity Heritage Library | 
| URL | https://www.biodiversitylibrary.org/item/20126#page/277/mode/1up | 
Fellows associated with this archive
| Code | PersonName | Dates | 
| NA8707 | Gilbert; Davies (1767-1839) | 1767-1839 | 
| NA8414 | Newton; Sir; Isaac (1642 - 1727); natural philosopher and mathematician | 1642 - 1727 |