Usage examples for helix

  1. 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
  2. To the same agency the introduction of many land- shells dispersed through the cave- mud was ascribed, such as Helix nemoralis, H. lapicida, H. pomatia, and others of living species. – The Antiquity of Man by Charles Lyell
  3. He went carelessly too near the still revolving machinery, and his coat- flap was caught and wound into the helix of the pugmill. – Somehow Good by William de Morgan
  4. 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
  5. It brings into play the principle of the helix as used in cutting threads, etc. – A Course In Wood Turning by Archie S. Milton and Otto K. Wohlers
  6. 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
  7. 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
  8. From our elevated position we could look down into a sea of bamboo huts, the habitations of the pearl- fishers: neat enough abodes, with courtyards paved with helix shells. – Southern Arabia by Theodore Bent Mabel Bent
  9. The case within which it turns is simply an elastic tube of leather or other suitable material, within which is wound a single helix of wire fitting its inside tightly, the inside diameter of the helix being a little greater than the outside diameter of the shaft, and wound in a contrary direction to the outer helices of the shaft. – Modern Machine-Shop Practice, Volumes I and II by Joshua Rose
  10. Imagine a helix, intersected, in its vertical dimension, by a moving plane. – Four-Dimensional Vistas by Claude Fayette Bragdon
  11. You have to consider that we are passing through time in a helix. – The Right Time by Walter Bupp
  12. 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
  13. 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
  14. For shady places, the Helix or English ivy is advisable. – Garden Ornaments by Mary H. Northend
  15. The peculiarity consists in a little blunt point, projecting from the inwardly folded margin, or helix. – The Descent of Man and Selection in Relation to Sex, Vol. I (1st edition) by Charles Darwin
  16. 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
  17. 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