| Reference number | NLB/50/721 |
| Alternative reference number | NLB/50 p435 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] |
| Date | 20 October 1914 |
| Description | Instructs them to send a weekly postcard of meetings to J H Gardiner, The Year Book of Radiology. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |