John Breed, Diary and Training diary, item 71

• March 27, 2017 03:03:04 Cheryl Ellsworth

  Trajectory; The curve described by the shell in its

  flight or in passing from the muzzle of

  the piece to the first point of impact

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  Range ; The distance from the muzzle of the piece

  to the second intersection of the trajectory with

  the line of sight in plane teams this vs the

  distance from the gun to the target fired at

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  Line of sight; A line passing through the sight of the

  piece and the point aimed at

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   Drawing of a diagram showing line of sight, trajectory, range, sight 

  
  

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  Tangent; In a line touching the outer circumference of
  

  a circle without intersecting it

   Diagram of a tangent line on a circle 

Description