| Reference number | NLB/61/240 |
| Alternative reference number | NLB/61 p142 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Dr. Balls |
| Date | 3 June 1921 |
| Description | 'Soiree.
Referring to your note of June 2nd, if you can let us know by the first post on June 12th or by telegram, whether your exhibit can stand we can arrange.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |