| Reference number | PT/70/7/2 |
| Level | Item |
| Title | Plate, series of curves of excess of ordinate by unknown artist |
| Date | 1863 |
| Description | Figure 1 showing a graph of a series of curves at each point where the excess of the ordinate above a certain minimum value is proportional to the angle contained at the point between two straight lines drawn to the two foci.
Subject: Physics
Published in Philosophical Transactions as 'On plane water-lines in two dimensions'.
Received by the Royal Society on 28 July 1863. Read 26 November 1863. |
| Extent | 1p |
| Format | Diagram |
| Physical description | Ink graph on paper |
| Access status | Open |
| Related material | DOI: 10.1098/rspl.1863.0008 |
| DOI: 10.1098/rstl.1864.0010 |
| Related records in the catalogue | RR/5/214 |
| RR/5/215 |
| RR/5/216 |
| PT/70/7 |
Fellows associated with this archive
| Code | Name | Dates |
| NA1846 | Rankine; William John Macquorn (1820 - 1872) | 1820 - 1872 |