| Reference number | NLB/45/756 |
| Alternative reference number | NLB/45 p460 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to Messrs, the Cambridge Scientific Instrument Co, LTd, Chesterton Road, Cambridge |
| Date | 3 May 1912 |
| Description | 'Soiree.
With reference to your letter of May 1st, kindly note that, as regards the requirement mentioned for the exhibit, "A 4-volt-accumulator", we have no apparatus of the kind here. I should be supplied with your other apparatus.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |