Archimedean screw


  • Webster's Revised Unabridged Dictionary
    • Archimedean screw an instrument, said to have been invented by Archimedes, for raising water, formed by winding a flexible tube round a cylinder in the form of a screw. When the screw is placed in an inclined position, and the lower end immersed in water, by causing the screw to revolve, the water is raised to the upper end.
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Chambers's Twentieth Century Dictionary
    • Archimedean screw a machine for raising water, in its simplest form consisting of a flexible tube bent spirally round a solid cylinder, the ends of which are furnished with pivots, so as to admit of the whole turning round its axis
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In literature:

This term generally alludes to the Archimedean screw, or screw-propeller.
"The Sailor's Word-Book" by William Henry Smyth
For the uplift of his flagging, flaccid will he seemed likely to require either the Archimedean lever or the Archimedean screw.
"The Tigress" by Anne Warner
Of these the best known are the block and tackle, the endless screw (worm gear), and the water snail, or Archimedean screw.
"The Story of Great Inventions" by Elmer Ellsworth Burns
Another continuous system of extraction is that involving the use of the Archimedean screw.
"Animal Proteins" by Hugh Garner Bennett

In news:

What is an Archimedean Screw Turbine.