| Reference number | NLB/11/210 |
| Alternative reference number | NLB/11 p100 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to the Direct Photo Engraving Company |
| Date | 14 May 1895 |
| Description | Asks if they can make a block to go into the text of the 'Proceedings [of the Royal Society]' from the enclosed spectrum [not attached, presumably for Professor Joseph Norman Lockyer's paper]. Asks if they know whether they anticipate a good result and what the cost would be. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |