De Kievit, Menaldum of the "upright shaft" there are two "crown wheels" The upper "crown wheel", which has 35 cogs drives an Archimedes' screw via a "crown wheel". This screw was used to pump water into the polder. The lower "crown wheel", which has 35 cogs, drives a gearwheel with 32 cogs on the axle of an Archimedes' screw, which was used to drain the polder. The axle of the screw is diameter and long. The screw is diameter. It is inclined at 10°. Each revolution of the screw lifts of water. "De Kievit" is open to the public at any time it
Garden of Archimedes was reintroduced to Medieval Europe. Helping Nature: from Galileo's Mechanics to everyday life is an interactive exhibit showing how Galileo used mathematics to reveal the working of simple machines. Weapons of mass education features mathematically based games and puzzles. Other historical sections include A short history of calculus, A short history of trigonometry, Ancient mathematics through stamps, and Pink Numbers – Women and Mathematics. Garden of Archimedes The Garden of Archimedes (Italian: "Il Giardino Di Archimede") is a museum for mathematics in Florence, Italy. It was founded on March 26, 2004 and opened its doors to the public on April