| Reference number | NLB/56/620 |
| Alternative reference number | NLB/56 p354 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [Messrs Harrison & Sons] |
| Date | 31 March 1919 |
| Description | 'Proc List.
Please discontinue sending Proceedings to the Electrical Department of the Board of Trade, Richmond Terrace, Whitehall.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |