| Reference number | NLB/54/754 |
| Alternative reference number | NLB/54 p428 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Under-Secretary of State; Foreign Office |
| Date | 11 September 1917 |
| Description | 'Replying to your letter of Sept. 8th, (No.171211/0/138) I enclose herewith information in regard to the establishment and work of the National Physical Laboratory.' [Not enclosed.] |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |