| Reference number | NLB/45/607 |
| Alternative reference number | NLB/45 p367 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to Messrs J swift & Son, 81 Tottenham Court Road, W |
| Date | 11 April 1912 |
| Description | 'In reply to your memorandum of yesterday, I shall be obliged by your sending the account for repairing the 1/12" oil immersion objective belonging to Sir David Druce, to the Royal Society here.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |