| Reference number | NLB/24/795 |
| Alternative reference number | NLB/24 p486 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs A & C Black, Soho Square, W. |
| Date | 14 July 1902 |
| Description | They may anticipate permission to reproduce in Miss Clerke's volume of 'Astrophysics' the figure on page 78 of volume 63 of the 'Proceedings of the Royal Society', illustrating Ellis's paper 'On the Relation between the Diurnal Range of Magentic Declination and Horizontal Force and the Period of Solar Spot Frequency'. The permission of the author should also be obtained. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |