| Reference number | NLB/71/900 |
| Alternative reference number | NLB/71 p465 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Prof. [Sydney] Chapman, FRS |
| Date | 4 December 1928 |
| Description | Asks for a copy of the figure to be included in Prof. [Sydney] Chapman's paper on Soar Diurnal, drawn on white board or blue lined paper. States the photograph sent in suggests it was drawn on yellow or grey lined paper, which would be difficult to reproduce. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |