| Reference number | PT/70/2/3 |
| Level | Item |
| Title | Plate, 'Lines of equal magnetic force' by unknown mapmaker |
| Date | [1863] |
| Description | Plate II containing a map showing lines of equal magnetic force drawn over British Columbia [Canada], Washington [United States], and Oregon [United States].
Subject: Geodesy
Published in Philosophical Transactions as 'Account of magnetic observations made in the years 1858–61 inclusive, in British Columbia, Washington Territory, and Vancouver Island'.
Communicated by General [Edward] Sabine. Received by the Royal Society on 4 November 1863. Read 16 November 1863. |
| Extent | 1p |
| Format | Map |
| Physical description | Map printed in ink on paper |
| Access status | Open |
| Related material | DOI: 10.1098/rspl.1863.0007 |
| DOI: 10.1098/rstl.1864.0003 |
| Related records in the catalogue | PT/70/2 |
Fellows associated with this archive
| Code | Name | Dates |
| NA6286 | Haig; Robert Wolseley (1830 - 1872) | 1830 - 1872 |
| NA8279 | Sabine; Sir; Edward (1788 - 1883) | 1788 - 1883 |