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
SS Archimedes lead to the adoption of screw propulsion by the Navy (see Legacy section below). With the conclusion of the Dover trials, "Archimedes" was placed at the disposal of Captain Chappell for a circumnavigation of Britain, which took place in July 1840. This voyage presented an opportunity to not only conduct further tests, but also to allow inspection of the technology by shipowners, engineers and scientists in ports throughout the country. "Archimedes" completed the 2006-mile voyage at an average speed in excess of 7 mph, and a maximum speed under ideal conditions of 10.9 mph. With the completion of this voyage,