23rd A.P.D Bde.
SECRET.

Addendum No. 1 to 12th Divisional Artillery Order No. 55. 18th July, 1917.

(1) All Artillery fire will die down to normal by 10 a.m. on 19th July.
In order to emphasise the salvo which will be fired by a battery of the 63rd Brigade as a signal for the Infantry to assault, there will be no Artillery fire on the 12th Division front between 2.45 p.m. and 3 p.m. on 19th July.
(2) In para. 3, line 1, after ‘as follows’
Insert “All Field Artillery batteries from Zero plus 10 secs onwards”.
(3) ACKNOWLEDGE.
C.A. Clowes Major,
Brigade Major R.A. 12th Divn.
Copies to all recipients of
12th D.A. Order No. 55.