| RefNo | CLP/9i/3 |
| Level | Item |
| Title | Paper, an account of English alum works by Daniel Colwall |
| Date | [1661] |
| Description | Describes the process used at the works for making alum. 'Allum [Alum, aluminium sulfate] is made of a Stone digged out of a Mine, of a Seaweed, and of Urine; The Mine of stone is found in most of the Hills betweene Scarborough and the River of Tees in the County of Yorke, and also neare Preston in Lancashire'. States that 'snake stones' were found with the blue stones that make alum.
Read to the Royal Society 11 August 1661
Subject: Geology / Mineralogy / Chemistry / Industry |
| Language | English |
| Extent | 8p |
| Format | Manuscript |
| PhysicalDescription | Ink on paper |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rstl.1677.0070
Printed in 'Philosophical Transactions', vol 12, no 442, p 1052 |
| RelatedRecord | RBO/1/17 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8178 | Colwall; Daniel (- 1690); merchant and philanthropist | - 1690 |