Genezareth, Hallum of the "upright shaft", a "crown wheel" with 35 cogs drives a gear with 35 cogs on the axle of the Archimedes' screw. The axle of the Archimedes' screw is 340 millimetres (13¼ in) diameter. The Archimedes' screw is diameter and long. It is inclined at an angle of 17½°. Each revolution of the Archimedes' screw lifts of water. The "Genezareth" is open to the public by appointment, or if it is working. Genezareth, Hallum The Genezareth or Kloosterpoldermolen is a smock mill in Hallum, Friesland, Netherlands which was built in 1850 and has been restored to working order. The
Archimedes The foremost document containing the work of Archimedes is the Archimedes Palimpsest. In 1906, the Danish professor Johan Ludvig Heiberg visited Constantinople and examined a 174-page goatskin parchment of prayers written in the 13th century AD. He discovered that it was a palimpsest, a document with text that had been written over an erased older work. Palimpsests were created by scraping the ink from existing works and reusing them, which was a common practice in the Middle Ages as vellum was expensive. The older works in the palimpsest were identified by scholars as 10th century AD copies of previously unknown