John Breed, Diary and Training diary, item 70

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---------------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 

Transcription saved

---------------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 


Transcription history
  • 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 


  • 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 


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    ID
    17035 / 198309
    Source
    http://europeana1914-1918.eu/...
    Contributor
    Mrs Jean Hanby
    License
    http://creativecommons.org/licenses/by-sa/3.0/



    • Western Front

    • Artillery
    • Trench Life



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