| Reference number | NLB/24/392 |
| Alternative reference number | NLB/24 p237 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to unknown recipient |
| Date | [May 1902] |
| Description | Asks them to make an electro of figure two in Sir Joseph Norman Lockyer's paper 'The Spark Discharge from Metallic Poles in Water'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |