| Reference number | NLB/70/300 |
| Alternative reference number | NLB/70 p157 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Chief of the Engineering Laboratory; The British Thomson-Houston Company Ltd., Rugby |
| Date | 26 February 1927 |
| Description | Thanks the Chief of the Engineering Laboratory for his letter informing the Royal Society that he could exhibit the Tungston Vapour Tube at the Soiree on 6 April. Asks him to fill in and return the enclosed form, detailing the space needed and giving a short description of the exhibit for the programme. [Enclosure not present.] |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |