| Reference number | NLB/67/837 |
| Alternative reference number | NLB/67 p447 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to [Ernest Harold] Callow Esq.; Low Temperature Station, Downing Street, Cambridge |
| Date | 21 February 1925 |
| Description | Thanks [Ernest Harold] Callow for his summary of his paper 'The Velocity of Ice Crystallisation', but reminds him that abstracts must be under 300 words, and so returns the abstract, asking Callow to condense it to that length. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |