| Reference number | NLB/71/696 |
| Alternative reference number | NLB/71 p357 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Messrs. Jepson Bros & Co., Ltd. |
| Date | 6 October 1928 |
| Description | Replies that the Royal Society has been unable to find the paper 'The differential of X-rays in relation to biology, chemistry & physics.' by Dr. W. Moppet. Asks for more details such as the publication year and the number of the Proceedings. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |