| Reference number | NLB/4/115 |
| Alternative reference number | NLB/4 p47 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to the Cambridge Instrument Company |
| Date | 14 February 1890 |
| Description | The correspondent asks for an estimate for reprinting the enclosed eight sheets of diagrams as 'Philosophical Transactions [of the Royal Society]' plates, 1000 copies of each. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |