| Reference number | NLB/71/484 |
| Alternative reference number | NLB/71 p246 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Editor, 'The Encyclopedia Britannica', 80 Regent Street, W1 |
| Date | 9 June 1928 |
| Description | Informs the Editor of 'The Encyclopedia Britannica' to expect permission to reproduce figure 5 from the paper ['Bakerian Lecture.— A new mass-spectrograph and the whole number rule' ] by Dr. [Francis William] Aston in Proceedings A.115. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |
| Related material | doi.org/10.1098/rspa.1927.0106 |