| Reference number | NLB/58/305 |
| Alternative reference number | NLB/58 p164 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to Messrs Charles Baker Ltd.; 244 High Holborn, W.C. |
| Date | 19 April 1920 |
| Description | Informs Messrs Charles Baker Ltd. 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 |