Filar Micrometer1666
Develops a micrometer for measuring small angular separations through telescopes.
Historical person
Historical biography and chronological timeline for Adrien Auzout, based on 2 World History Database records associated with France.
Develops a micrometer for measuring small angular separations through telescopes.
Improves quantitative observation of planetary diameters and double stars.
Astronomer
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.