Sentence Examples


  • Crystals with a helical twist are not uncommon.
  • Helical motion and screws adapted to it are said to be right- or left-handed according to the G appearance presented by the rotation to an observer looking towards the direction of the translation.
  • The pitch of a screw is the distance, measured parallel to its axis, between two successive turns of the same thread or helical projection.
  • Where 0 denotes the angle made by the helical path of the point with a plane perpendicular to the axis.
  • In wheelwork of this kind the contact of each pair of teeth commences at the foremost end of the helical front, and terminates at the aftermost end; and the helix is of such a pitch that the contact of one pair of teeth shall not terminate until that of the next pair has commenced.
 

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