Kater's pendulum minutes per day slower than at Paris, or equivalently the length of a pendulum with a swing of one second there was 1¼ Paris "lines", or 2.6 mm, shorter than at Paris. It was realized by the scientists of the day, and proven by Isaac Newton in 1687, that this was due to the fact that the Earth was not a perfect sphere but slightly oblate; it was thicker at the equator because of the Earth's rotation. Since the surface was farther from the Earth's center at Cayenne than at Paris, gravity was weaker there. Since that time pendulums began
Which Witch of 142 times in concert version in the following countries: Norway, Canada, USA, the Netherlands, England, Spain, Finland, Sweden and Denmark. The total attendance figure is approx. 276,000. Total record sales are in excess of 110,000 units. Licensed productions have been staged in several European countries. Which Witch Which Witch is a musical written by Norwegian singers/composers Benedicte Adrian and Ingrid Bjørnov. The storyline for "Which Witch" was derived from the witch finder's manual "Malleus Maleficarum", and the original script was written by Adrian and Bjørnov's manager Ole A. Sørli. The lyrics of the early concert versions were written by