Manderup Parsberg Manderup Parsberg Manderup Parsberg (December 24, 1546 - November 11, 1625) was a Danish nobleman and politician who was member of the Royal Privy Council to King Christian IV of Denmark. As a student at the University of Rostock he participated in a duel against his third cousin Tycho Brahe in which he cut off most of his nose. The two later became good friends, and he married Tycho's distant cousin Anne Pedersdatter Brahe (1578-1633). Parsberg was lord to Hagesholm. When, in a funeral oration for Brahe, an allusion was made to their unfortunate duel, Parsberg protested and sought redress
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