| Reference number | NLB/50/817 |
| Alternative reference number | NLB/50 p497 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs T Hamblin Limited, 50 New Cavendish Street, W. |
| Date | 12 November 1914 |
| Description | The paper by Sir William Crookes on an 'Eye-preserving glass' is out in print in the original separate paper form. Because of a demand for copies, it is being reprinted and they will be advised in due course. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |