RefNo | RBO/7/36 |
AltRefNo | RBO.7.60 |
Level | Item |
Title | Copy of a letter from John Wallis to Edmond Halley dated 26 April 1687 at Oxford |
Date | 1687 |
Description | Concerning the apparent magnitude of the sun or moon which appear larger at the horizon than when they are higher in the sky - concluded to be an optical illusion |
Language | English |
Extent | 5 sides |
Format | Manuscript |
Digital images | View item on Science in the Making |
AccessStatus | Open |
RelatedMaterial | JBO/8/145 |
Fellows associated with this archive
Code | PersonName | Dates |
NA7472 | Wallis; John (1616 - 1703); mathematician and cryptographer | 1616 - 1703 |
NA8423 | Halley; Edmond (1656 - 1742); astronomer | 1656 - 1742 |