| Reference number | NLB/67/933 |
| Alternative reference number | NLB/67 p500 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Professor [Clarence Erwin] McClung; the University of Pennsylvania, Philadelphia, Pa. |
| Date | 29 April 1925 |
| Description | Acknowledges Professor [Clarence Erwin] McClung's letter, which enclosed his letter to Dr [Francis] Balfour Brown, and which will be laid before the Chairman of the Committee. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |