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Rundetaarn
The Round Tower (Danish: Rundetårn) is a 17th-century tower in Copenhagen, Denmark, one of the many architectural projects of Christian IV. Built as an astronomical observatory, it is noted for its equestrian staircase, a 7.5-turn helical corridor leading to the platform at the top (34.8 meters above ground), and its views over Copenhagen.
The tower is part of the Trinitatis Complex which also includes a chapel, the Trinitatis Church, and an academic library, which were the first facilities of the Copenhagen University Library founded in 1482.
Astronomy grew in importance in 17th-century Europe. Countries began competing with each other in establishing colonies, creating a need for accurate navigation across the oceans. Many national observatories were therefore established, the first in 1632 at Leiden in the Dutch Republic. Only five years later the Round Tower Observatory, first referred to as STELLÆBURGI REGII HAUNIENSIS, followed.
After Tycho Brahe fell out of favour and left Denmark, Christian Longomontanus became Christian IV's new astronomer and the first professor of astronomy at the University of Copenhagen. In 1625 he suggested the king build an astronomical tower as a replacement for Brahe's Stjerneborg which had been demolished.[citation needed]
Longomontanus' initial proposal was to erect the new observatory on the top of the hill Solbjerget, now known as Valby Bakke. But since there were also plans for the construction of a new students' church and a library for the university, the idea of merging the three buildings into one grand complex emerged.
Already in 1622, Christian IV had bought the land where it was ultimately decided to build the Trinitatis Complex. His original plans for the site are not known but as it was conveniently located next to the Regensen dormitories and the university, it was chosen for his new prestigious project.
Although there is no clear proof, it is generally accepted that Hans van Steenwinckel the Younger was charged with the commission to design the new edifice though he did not live to see the tower completed.
From 24 November 1636, stones were brought to the site for the foundation, first from the city's ramparts and later from the area around Roskilde. Bricks were ordered from the Netherlands since local manufacturers could not meet the high quality standards requested. In February 1637, a contract was signed with a Henrik van Dingklage in Emden for the supply of bricks for the construction. The first three ship loads were to be delivered in May, the next three loads the following month and the remainder on demand.
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The Round Tower (Danish: Rundetårn) is a 17th-century tower in Copenhagen, Denmark, one of the many architectural projects of Christian IV. Built as an astronomical observatory, it is noted for its equestrian staircase, a 7.5-turn helical corridor leading to the platform at the top (34.8 meters above ground), and its views over Copenhagen.
The tower is part of the Trinitatis Complex which also includes a chapel, the Trinitatis Church, and an academic library, which were the first facilities of the Copenhagen University Library founded in 1482.
Astronomy grew in importance in 17th-century Europe. Countries began competing with each other in establishing colonies, creating a need for accurate navigation across the oceans. Many national observatories were therefore established, the first in 1632 at Leiden in the Dutch Republic. Only five years later the Round Tower Observatory, first referred to as STELLÆBURGI REGII HAUNIENSIS, followed.
After Tycho Brahe fell out of favour and left Denmark, Christian Longomontanus became Christian IV's new astronomer and the first professor of astronomy at the University of Copenhagen. In 1625 he suggested the king build an astronomical tower as a replacement for Brahe's Stjerneborg which had been demolished.[citation needed]
Longomontanus' initial proposal was to erect the new observatory on the top of the hill Solbjerget, now known as Valby Bakke. But since there were also plans for the construction of a new students' church and a library for the university, the idea of merging the three buildings into one grand complex emerged.
Already in 1622, Christian IV had bought the land where it was ultimately decided to build the Trinitatis Complex. His original plans for the site are not known but as it was conveniently located next to the Regensen dormitories and the university, it was chosen for his new prestigious project.
Although there is no clear proof, it is generally accepted that Hans van Steenwinckel the Younger was charged with the commission to design the new edifice though he did not live to see the tower completed.
From 24 November 1636, stones were brought to the site for the foundation, first from the city's ramparts and later from the area around Roskilde. Bricks were ordered from the Netherlands since local manufacturers could not meet the high quality standards requested. In February 1637, a contract was signed with a Henrik van Dingklage in Emden for the supply of bricks for the construction. The first three ship loads were to be delivered in May, the next three loads the following month and the remainder on demand.
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