| Reference number | NLB/43/552 |
| Alternative reference number | NLB/43 p339 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, R Whiddington |
| Date | 9 February 1911 |
| Description | Acknowledges the receipt of his letter of yesterday's date, and is returning his paper on Soft Rontgen Radiation which is to be typewritten and the figures redrawn. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |