| RefNo | RBO/1/16 |
| AltRefNo | RBO.1.59 |
| Level | Item |
| Title | 'The History of the Making of Salt Peeter [saltpetre] By Mr Henshaw' |
| Date | 1661 |
| Description | With details about refining saltpetre and the history of making gunpowder
Details about niter found in stables, pigeon houses, but majority found in churchyards - that earth replenishes itself in 20 years |
| Language | English |
| Extent | 23 sides |
| Format | Manuscript |
| Digital images | View item on Science in the Making |
| AccessStatus | Open |
| RelatedRecord | RBC/1/19 |
| RBC/1/18 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA2818 | Henshaw; Nathaniel (1628 - 1673); physician | 1628 - 1673 |