| Reference number | NLB/29/311 |
| Alternative reference number | NLB/29 p166 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons, St Martin's Lane, W.C. |
| Date | 20 September 1904 |
| Description | Asks them to send to the Editor of 'Nature', an electro of the figure appearing on page 231, volume 73, of 'Proceedings [of the Royal Society]'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |