| Reference number | NLB/71/139 |
| Alternative reference number | NLB/71 p72 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; [to Harrison and Sons] |
| Date | 20 January 1928 |
| Description | Asks for corresponding blocks of several figures from differing paper in Proceedings A Series. Asks for these to be loaned to Sir William [Henry] Bragg at the Royal Instiution. [Includes the list of these figures]. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |