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Usage examples for helix

  1. Many of the Helices also exhibit this tendency in an eminent degree: I have indeed been shown specimens by Sir Charles Lyell of the Helix hirsuta, Say, from North America, one state of which is considerably more than double the dimensions of the other; and I believe it is a well- known fact that intermediate links have not yet been observed to connect the extremes. – On the Variation of Species, with Especial Reference to the Insecta ; Followed by an Inquiry into the Nature of Genera by Thomas Vernon Wollaston
  2. Unfortunately, the angle at which the artist chose to show us this cutter is not a view from which it is possible to judge whether or not the tool has been made to conform to the helix angle of the thread to be cut. – Screw-Thread Cutting by the Master-Screw Method since 1480 by Edwin A. Battison
  3. The helix obviously consists of the extreme margin of the ear folded inwards; and this folding appears to be in some manner connected with the whole external ear being permanently pressed backwards. – The Descent of Man and Selection in Relation to Sex, Vol. I (1st edition) by Charles Darwin
  4. You have to consider that we are passing through time in a helix. – The Right Time by Walter Bupp
  5. A wireless system had also been erected on the roof of the building by the wireless enthusiasts of the troop and the helix, spark- gap and various coils and keys were also set up in the wire room. – The Boy Scout Fire Fighters by Irving Crump
  6. It is remarkable, seeing how well the Helix pomatia resisted with me the salt- water, that not one of fifty- four specimens belonging to four other species of Helix tried by Aucapitaine, recovered. – The History of the European Fauna by R. F. Scharff
  7. Again, Hero mentions a wheel of 30 teeth which, because of imperfections, might need only 20 turns of a single helix worm to turn it! – On the Origin of Clockwork, Perpetual Motion Devices, and the Compass by Derek J. de Solla Price
  8. We can predict when she's going to be right for our helix, which is a small part of the time, but that part we can use. – The Right Time by Walter Bupp
  9. Entire shells of Helix, Pupa, and Succinea, of the usual living species, are embedded in the granitic mixture. – The Antiquity of Man by Charles Lyell
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