| Reference number | NLB/58/228 |
| Alternative reference number | NLB/58 p123 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Messrs J. Wrench and Son; 50 Gray's Inn Road, W.C.l |
| Date | 30 March 1920 |
| Description | Informs Messrs J. Wrench and Son that the Society has an upright arc-lamp automatic feed lantern at their disposal and asks if they would like to make an offer on it. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |