| RefNo | DM/4/6 |
| Level | Item |
| Title | General William Roy, "On the advantages that are likely to arise from the operations on Hounslow Heath" |
| Date | 1783 |
| Description | The said operations on Hounslow Heath were part of the triangular measurements to calculate the relative distances between the Royal Observatories of Paris and London.
Roy states in this note the importance of such measuring in calculating the real figure of the Earth.
Originally enclosed with DM/4/4 |
| Extent | 3 sides |
| Format | Manuscript |
| AccessStatus | Open |
| AccessConditions | OPEN - but photocopying forbidden. |
Fellows associated with this archive
| Code | PersonName | Dates |
| NA6264 | Roy; William (1726 - 1790) | 1726 - 1790 |