Resources: “Archimedean Screw Hydro Turbine - Renewables First.” Renewables First - The Hydro and Wind Company, www.renewablesfirst.co.uk/hydropower/hydropower-learning-centre/archimedean-screw-hydro-turbine/. Toomer, Gerald J. “Archimedes.” Encyclopædia Britannica, Encyclopædia Britannica, inc., 22 June 2017, www.britannica.com/biography/Archimedes. (1 ene 263 año aC