Archimedes' Screw
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Archimedes' Screw An Egyptian terracotta figurine from about 30 BC showing a man driving an Archimedes screw as a treadmill. Located in the British Museum (London, England).

Enlarged View: 30 kilobytes, 330 x 480 pixels.


Archimedes Screw A fresco recovered from a villa in Pompeii showing a man driving an Archimedes screw as a treadmill. Now located in the National Musueum in Naples, Italy. Pompeii was destroyed by a volcanic eruption in 79 AD.

Enlarged View: 105 kilobytes, 513 x 480 pixels.


Archimedes Screw An Egyptian farmer turning an Archimedes screw by hand to irrigate a field. Photograph by Helen and Frank Schreider of the National Geographic staff.

Enlarged View: 102 kilobytes, 640 x 480 pixels.


Archimedes Screw Another Egyptian farmer turning an Archimedes screw by hand to irrigate a field. Photograph by Helen and Frank Schreider of the National Geographic staff.

Enlarged View: 111 kilobytes, 553 x 480 pixels.


Archimedes Screw Three large Archimedes screws lift treated wastewater to aeration basins at the Fred Hervey Water Reclamation Plant of El Paso, Texas, USA. Built in 1985, the 10-million gallon/day plant treats wastewater to be injected into the Hueco Bolson Aquifer serving El Paso and Ciudad Juarez, Mexico.

An enlarged view of this photograph (16 kilobytes, 233 x 350 pixels) can be viewed at its original Web site describing the Fred Hervey Water Reclamation Plant. Photograph by Jan Gerston of the Texas Water Resources Institute (Texas A&M University, College Station, Texas, USA).


Archimedes' Screw A bank of Archimedes screws in Kinderdijk, Holland, used to lift water to a pumping station. The screw is useful for pumping water with debris because of its open design.

An enlarged view of this photograph (33 kilobytes, 640 x 480 pixels) can be downloaded from its original site at the NSF SUCCEED Engineering Visual Database.


Archimedes Screw One of eight 12-ft.-diameter Archimedes screws used to handle rainstorm runoff in Texas City, Texas. Each screw is driven by a 750-hp diesel engine and can pump up to 125,000 gallons per minute. Manufactured by Enviro Development Co. of Mountain View, California, USA. Picture scanned from Popular Mechanics (April 1980, page 62).

Enlarged View: 31 kilobytes, 640 x 417 pixels, 256 grayscales.


Archimedes' Screw An Archimedes screw the diameter of a pencil eraser is used in this Hemopump cardiac assist system. This system maintains blood circulation during acute heart failure, minimally invasive coronary bypass surgery, and other surgical procedures.

An enlarged view of this photograph (33 kilobytes, 269 x 259 pixels) can be downloaded from its original site maintained by Medtronic, Inc., the manufacturer of the device.