| Reference number | NLB/69/639 |
| Alternative reference number | NLB/69 p340 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to Harrison & Sons] |
| Date | 7 July 1926 |
| Description | Asks for the corresponding blocks for figures 3, 7 to 9 from ['Effects of ultra-violet radiation upon involuntary muscle, and the supposed physiological interference of visible rays'] in Proceedings B.99 to be loaned to Dr. E. Schuster. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |
| Related records in the catalogue | NLB/69/638 |