21st Divisional Artillery Instruction 23 June 1916

21st Divisional Artillery Instruction 23 June 1916

SECRET
15/CA 6/31.
2/33 GX.

7th Divn’l Artillery
21st do do
XV Corps Heavy Art’y
…………………………..
7th Division )
17th do ) for information.
21st do )
XV Corps )
——————————————————

Estimate of Ammunition required for Operations.
U to Z days, both inclusive.
———————————————————–

18-pdr. 6 days at 200 rounds per gun per day. 1200.

4.5” Hows 2 days at 60 ————–do————)
4 days at 180 ————–do————) 840

4.7” gun 2 days at 90 ————–do————)
60-pdr. 4 days at 150. ————–do————) 820

6” How 2 days at 60 ————–do————)
–do– 4 days at 170 ————–do————) 800

8” How) 2 days at 40 ————–do————)
9.2” do) 4 days at 120 ————–do————) 560

6” gun 2 days at 20 ————–do————)
— do– 4 days at 120 ————–do————) 520

12” How 2 days at 20 ————–do————)
–do– 4 days at 70 ————–do————) 320

15” How. 2 days at 15 ————–do————)
–do– 4 days at 50 ————–do————) 230

Attention is called to the above estimate of Ammunition Expenditure which has been received from the FOURTH ARMY.

Efforts should be made not to exceed the averages given, though it may be necessary to fire more from some guns and less from others of the same nature.

J.M.R. Harrison Major
for Brigadier General., R.A., XV Corps
23rd June 1916

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