| Reference number | NLB/54/827 |
| Alternative reference number | NLB/54 p469 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Registrar at the Patent Office |
| Date | 12 October 1917 |
| Description | Encloses Form T M No.6., duly ammended by Professor A. [Arthur] Schuster as requested by the Registrar in their previous letter. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |