| Reference number | NLB/68/530 |
| Alternative reference number | NLB/68 p283 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Editor of the National Physical Laboratory; Teddington |
| Date | 29 July 1925 |
| Description | In reply to the Editor's letter, informs him that there is no objection to his reproducing the engraving of Dr [William] Herschel's telescope from the Philosophical Transactions. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |