Otte Brahe Otte Brahe Otte Brahe (; 2 October 1518 – 9 May 1571) was a Danish (Scanian) nobleman and statesman, who served on the privy council (Rigsraad, "Council of the Realm"). He was married to Beate Clausdatter Bille and was the father of astronomer Tycho Brahe. Brahe was born in Tosterup to Tyge Brahe and Sophie Rud. He was nephew of Anne Rud and Henrich Krummedige. Brahe married Beate Clausdatter Bille in 1544. Both the Brahes and the Billes were among the most powerful noble families in Denmark during their lives. Both families owned farms, forests, and land as well as
Armillary sphere the crown escapement which has been developed from 14th century, and is applied to gear system which had been improved until the middle of 17th century in Western-style clockwork. In particular, timing device of Song I-yŏng's Armillary Clock adopts the early 17th century pendulum clock system which could remarkably improve the accuracy of a clock. Further advances in the instrument were made by Danish astronomer Tycho Brahe (1546–1601), whose elaborate armillary spheres passing into astrolabes are figured in his "Astronomiae Instauratae Mechanica". Armillary spheres were among the first complex mechanical devices. Their development led to many improvements in techniques and