| Reference number | NLB/4/558 |
| Alternative reference number | NLB/4 p228 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to Mr Collings, 172 Strand |
| Date | 9 July 1890 |
| Description | 'We should be glad to have Professor Ewings cuts as soon as possible. He sends today a new dia[gram] for fig 7. I hope it does not come too late.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |