ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY ROYAL ASTRONOMICAL SOCIETY / SCIENCE PHOTO LIBRARY
Astronomical Tower of Copenhagen. Historical artwork of the Round Tower in Copenhagen, Denmark, from the 18th Century publication 'Journal d'un Voyage au Nord en 1736 et 1737' (1744). This 17th Century tower, known as the Rundetarn in Danish, was built by King Christian IV between 1637-1642 as an astronomical observatory, and still stands today.
Model release not required. Property release not required.