Encyclopedia > Georg Purbach

Article Content

Georg Purbach

Georg Purbach (1423 - 1461) was a German astronomer and mathematician. He is credited with the invention of several scientific instruments, including the regula[?], the geometrical square[?], and the "Jacob's Staff[?]."

Purbach was the author of a seminal work in astronomy, Theoricae novae planetarum.

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

Holtsville, New York

... population is spread out with 28.2% under the age of 18, 7.5% from 18 to 24, 33.5% from 25 to 44, 23.9% from 45 to 64, and 6.9% who are 65 years of age or older. Th ...