| Reference number | PT/19/13/1 |
| Level | Item |
| Title | Plate, 'Situation of the standard marks in the Isles of Grain and Sheppey' by unknown artist |
| Date | [1830] |
| Description | Unpublished map showing the standard marks between the Isle of Grain and the Isle of Sheppey.
Subject: Hydrography |
| Extent | 1p |
| Format | Watercolour |
| Physical description | Watercolour on paper |
| Access status | Open |
| Related material | DOI: 10.1098/rspl.1830.0012 |
| DOI: 10.1098/rstl.1831.0011 |
| Related records in the catalogue | PT/19/13 |
Fellows associated with this archive
| Code | Name | Dates |
| NA1394 | Lloyd; John Augustus (1800 - 1854); engineer and surveyor | 1800 - 1854 |