| Reference number | NLB/29/775 |
| Alternative reference number | NLB/29 p433 |
| Level | Item |
| Title | Copy letter from Archibald Geikie, to Arnulph Henry Reginald Mallock, Fellow of the Royal Society |
| Date | 9 December 1904 |
| Description | States the title of his paper 'Air Resistance encountered by projectile at Velocities up to 4,500 feet per second', presumably concerning publication. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |