| Reference number | NLB/40/715 |
| Alternative reference number | NLB/40/ p434 |
| Level | Item |
| Title | Copy letter from Joseph Larmor to J C Chapman and H L Porter |
| Date | 22 July 1909 |
| Description | 'On the physical properties of gold leaf at high temperatures.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |