Catalogue of Double Stars from Observations Made at the Royal Observatory, Greenwich Synopsis
Catalogue of double stars from observations made at the Royal Observatory, Greenwich, with the 28-inch refractor during the years 1893-1919 (1921) This book, "Catalogue of double stars from observations made at the Royal Observatory, Greenwich", by Frank Watson Dyson, is a replication of a book originally published before 1921. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.
