21st Divisional Artillery Instruction 23 June 1916
SECRET
15/CA 10/76.
7th Divisional Artillery
21st Divisional Artillery
XV Corps Heavy Artillery
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XV Corps )
7th Division )
21st do ) for information.
17th do )
GAS ATTACKS.
Divisions have been ordered to be prepared to carry out the Gas Attack on the night 24/25th June. In this event 7th and 21st Divisional Artilleries and XV Corps Heavy Artillery will carry out the special bombardments arranged with reference to Appendix II and Paragraph 5(c) of 15/CA 10/23 dated 18th June 1916.
E.W. Alexander
Brigadier General., R.A., XV Corps
23rd June 1916
Orders issued.