| Reference number | NLB/58/420 |
| Alternative reference number | NLB/58 p228 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Sir Cecil Harrison |
| Date | 4 May 1920 |
| Description | Asks Sir Cecil Harrison for the cost of the machining and paper for printing off 100 copies of Proceedings A. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |