| Reference number | NLB/6/87 |
| Alternative reference number | NLB/6 p32 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to Messrs Harrison & Sons |
| Date | 27 February 1892 |
| Description | 'Please take notice that for the future the Proceedings, R.S. and all other communications for Sir William Thomson P.R.S. should be addressed, Lord Kelvin'. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |