Filar Micrometer
Develops a micrometer for measuring small angular separations through telescopes.
Historical biography archive · Updated 2026-11-03
Adrien Auzout Biography and Timeline
Follow Adrien Auzout through 2 dated historical records for France.
Adrien Auzout, historical timeline
A chronological timeline drawn from matching World History Database records.
2Distinct records
1 of 1Page
1666–1666Years on this page
1666
Precision Telescopic Measurement
Improves quantitative observation of planetary diameters and double stars.
Records, sources and methodology
These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.