| Reference number | NLB/54/896 |
| Alternative reference number | NLB/54 p506 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Secretary of the Chemical War Committee |
| Date | 31 October 1917 |
| Description | Encloses a copy of a letter received from the Secretary of the Department of Scientific and Industrial Research on the subject of research into Photographic Sensitising Dyes under the Chemical Committee of the Society [not enclosed]. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |