| Reference number | NLB/70/268 |
| Alternative reference number | NLB/70 p141 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Director of the Science Museum |
| Date | 19 February 1927 |
| Description | In reply to the Director's letter, informs him that the Spectroscopes will be deposited on permanent loan to the Science Museum. Discusses when they will be sent. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |