John Breed, Diary and Training diary, item 70

• March 27, 2017 03:03:58 Cheryl Ellsworth

  ---------------Summary Definitions---------------

  
  

  Sunnery; Is the science of directing a projectile so that

  it will strike a given object

  
  

  Calibre; The diameter of the bore in inches measured

  across the lands

   
  

   Drawing of a cross section of a bore with the word CALIBRE with arrows  pointing to the inner diameter 

  
  

  Axis of the gun; A line passing the centre of the bore

  (A to B)

   
  

   Drawing of the cross section of a gun, with a dotted line through the center, A on the left larger end, B on the right smaller end of the gun 

  ____________________________________

  Axis of the trunnions; A line passing through the centre of the

  trunnions               (C, D)

   
  

   Drawing of the gun from above, with a dotted red line across the trunions, with C at the top of the line and D at the bottom 

• March 27, 2017 01:16:43 Cheryl Ellsworth

  ---------------Summary Definitions---------------

  
  

  Sunnery; Is the science of directing a projectile so that

                     it will strike a given object

  
  

  Calibre; The diameter of the bore in inches measured

                 across the lands

   
  

   Drawing of a cross section of a bore with the word CALIBRE with arrows  pointing to the inner diameter 

  
  

  Axis of the gun; A line passing the centre of the bore

  (A to B)

   
  

   Drawing of the cross section of a gun, with a dotted line through the center, A on the left larger end, B on the right smaller end of the gun 

  ____________________________________

  Axis of the trunnions; A line passing through the centre of the

                                         trunnions               (C, D)

   
  

   Drawing of the gun from above, with a dotted red line across the trunions, with C at the top of the line and D at the bottom 

  
  

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• March 27, 2017 01:16:11 Cheryl Ellsworth

  ---------------Summary Definitions---------------

  
  

  Sunnery; Is the science of directing a projectile so that

                     it will strike a given object

  
  

  Calibre; The diameter of the bore in inches measured

                 across the lands

  
  

   Drawing of a cross section of a bore with the word CALIBRE with arrows  pointing to the inner diameter 

  
  

  Axis of the gun; A line passing the centre of the bore

  (A to B)

  
  

   Drawing of the cross section of a gun, with a dotted line through the center, A on the left larger end, B on the right smaller end of the gun 

  ____________________________________

  Axis of the trunnions; A line passing through the centre of the

                                         trunnions               (C, D)

  
  

   Drawing of the gun from above, with a dotted red line across the trunions, with C at the top of the line and D at the bottom 

  
  

  • Show revision
  • Compare to current version
  • Compare to previous version

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