| RefNo | PT/50/2/2 |
| Level | Item |
| Title | Plate, diagram of error on plumb-line by John Henry Pratt |
| Date | 12 July 1854 |
| Description | Figure 1 illustrating the error of the plumb-line caused by mountain attraction.
Subject: Geodesy
Published in Philosophical Transactions as 'On the attraction of the Himalaya Mountains, and of the elevated regions beyond them, upon the plumb-line in India'.
Written by Pratt at Deep River, Cape of Good Hope [Diep River, Western Cape, South Africa]. Communicated by J [James] Challis. Received by the Royal Society on 23 October 1854. Read 7 December 1854. |
| Extent | 1p |
| Format | Diagram |
| PhysicalDescription | Ink diagram on paper |
| AccessStatus | Open |
| RelatedMaterial | DOI: 10.1098/rspl.1854.0046 |
| DOI: 10.1098/rstl.1855.0002 |
| RelatedRecord | RR/2/193 |
| RR/2/194 |
| PT/50/2 |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA8010 | Pratt; John Henry (1809 - 1871) | 1809 - 1871 |
| NA7554 | Challis; James (1803 - 1882); astronomer | 1803 - 1882 |