| Reference number | NLB/50/254 |
| Alternative reference number | NLB/50 p149 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Dr [John Allen] Harker, Fellow of the Royal Society |
| Date | 4 June 1914 |
| Description | Would like to know if arrangements have been made regarding the proposed demonstration of the Coolidge Rontgen Ray Tube on 16 June. There are many other exhibits to provide for, and space is limited. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA1231 | Harker; John Allen (1870 - 1923); physicist and engineer | 1870 - 1923 |