Record

Reference numberRBO/7/36
Alternative reference numberRBO.7.60
LevelItem
TitleCopy of a letter from John Wallis to Edmond Halley dated 26 April 1687 at Oxford
Date1687
DescriptionConcerning 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
LanguageEnglish
Extent5 sides
FormatManuscript
Access statusOpen
Related materialJBO/8/145
Fellows associated with this archive
CodeNameDates
NA7472Wallis; John (1616 - 1703); mathematician and cryptographer1616 - 1703
NA8423Halley; Edmond (1656 - ? 1742); astronomer1656 - ? 1742
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