| Reference number | NLB/56/12 |
| Alternative reference number | NLB/56 p6 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Dr. [Frank] Horton; Royal Holloway College, Englefield Green |
| Date | 5 November 1918 |
| Description | Refers to a paper by [Frank] Horton and Ann [Catherine] Davies, 'The ionizing power of the positive ions from a glowing tantalum film'. Informs Dr. [Frank] Horton that the paper is currently estimated to print at around thirty pages, and asks if he can reduce it to no more than twenty four pages. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |