| Reference number | NLB/4/136 |
| Alternative reference number | NLB/4 p55 |
| Level | Item |
| Title | Copy letter from Herbert Rix, to the Cambridge Scientific Instrument Company |
| Date | 19 February 1890 |
| Description | 'Prof. Victor Horsely has sent electro of the diagram about which Dr. Foster spoke to you. It will not be necessary to include this in your estimate.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |