| Reference number | NLB/56/859 |
| Alternative reference number | NLB/56 p487 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to W. Robinson Esquire |
| Date | 17 June 1919 |
| Description | 'I am glad to be able to tell you that the illustrations accompanying your paper on "Mechanical strains in timber" have been found. They were accidentally mixed with illustrations belonging to another paper.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |