| Reference number | NLB/19/819 |
| Alternative reference number | NLB/19 p471 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons |
| Date | 3 January 1900 |
| Description | Asks the Messrs to make cliches of the illustrations referred to below and send them to the Editor of 'Nature': [Joseph Norman] Lockyer's 'Note on the Spectrum of Silicum', and Lockyer's 'Preliminary Table of Wave Lengths of Enhanced Lines'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |
Fellows associated with this archive
| Code | Name | Dates |
| NA6349 | Lockyer; Sir; Joseph Norman (1836 - 1920) | 1836 - 1920 |