| Reference number | NLB/50/669 |
| Alternative reference number | NLB/50 p407 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to [S J] Kalandyk |
| Date | 8 October 1914 |
| Description | Is returning his paper on 'The ionisation produced by gas reactions' together with the four figures, in the hope that he may be able to send it before he leaves for Russia. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript, faded |
| Access status | Open |