| Reference number | MC/21/127 |
| Alternative reference number | MC.06127 |
| Level | Item |
| Title | Letter from Messrs Crosby Lockwood & Son, 7 Stationers' Hall Court, London, to the Assistant Secretary of the Royal Society, Burlington House |
| Date | 5 November 1906 |
| Description | Dr Erskine Murray would like to reproduce an illustration from a paper i nthe Proceedings for his book on wireless telegraphy, and request Messrs Harrison & Sons Co., to send an electro of a block of the diagram. |
| Extent | 2p |
| Format | Manuscript |
| Physical description | Ink on paper |
| Access status | Open |