| Reference number | NLB/7/509 |
| Alternative reference number | NLB/7 p247 |
| Level | Item |
| Title | Copy letter from Herbert Rix, to Mr J W Heath, Royal Institution |
| Date | 3 March 1893 |
| Description | The Society is greatly indebted to Heath for his kindness in lending the lantern for yesterday's demonstration. Asks to know what the Society owes him for fares, porterage et cetera. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |