| RefNo | AP/21/18 |
| Level | Item |
| Title | Unpublished letter, 'On the régar [regur] or the black cotton-soil of India' from T J [Thomas John] Newbold to the Secretary of the Royal Society |
| Date | 12 August 1837 |
| Description | Newbold finds, by chemical analysis, that this soil consists of silica, lime, alumina, iron oxide, and minute amounts of vegetable and animal debris. He believes the soil to be a sedimentary deposit from still waters. Marked on back as 'archives' by Peter Mark Roget.
Subject: Mineralogy / Pedology
Received 8 March 1838. Communicated by S [Samuel] Hunter Christie.
Written by Newbold in Bellary, Madras [Chennai, India].
Whilst the Royal Society declined to publish this paper in full, an abstract of the paper was published in volume 4 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 régar or black cotton soil of India'. |
| Extent | 6p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1837.0018 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA7319 | Newbold; Thomas John (1807 - 1850) | 1807 - 1850 |
| NA8168 | Christie; Samuel Hunter (1784 - 1865); mathematician | 1784 - 1865 |