| Reference number | NLB/34/252 |
| Alternative reference number | NLB/34 p144 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] |
| Date | 17 December 1906 |
| Description | Asks them to stop sending 'Proceedings [of the Royal Society]' Series B to the Electrical Standards Laboratory, Board of Trade, as they only require the A series. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |