| Reference number | NLB/22/235 |
| Alternative reference number | NLB/22 p141 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to David H Ray, Columbia University, New York City, USA |
| Date | 28 March 1901 |
| Description | The Astronomer Royal is not able to provide any information regarding the instruments [used by Mason and Dixon in America in around 1767] other than what is already in 'Philosophical Transactions [of the Royal Society]'. The Astronomer Royal states he believes a Mr J H Gore of the US Coast and Geodetic Survey has written on Mason and Dixon, and may know something of the instruments. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |