| Reference number | NLB/70/29 |
| Alternative reference number | NLB/70 p15 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to unknown correspondent |
| Date | 6 December 1926 |
| Description | 'Phil. Trans. Separate Paper A 520. Please let us have five copies of the above separate paper from the stock in your Publication Dept.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |