SECRET APPENDIX ‘B’
PROGRAMME FOR THE DISCHARGE OF GAS.
12 cylinders, White Star, and 8 cylinders, Red Star, per emplacement will be installed.
Gas will be discharged as follows:-
0-0.4. 4 cylinders (White Star) simultaneously per bay.
0.4 – 1.20. 1 cylinder (Red Star) per bay every 10 minutes.
1.20 All remaining cylinders to be turned on.
- The following Rocket Signals will be fired from OVILLERS and DONNET POSTS commencing at 1.28.
Three pairs of Red Rockets from each post at 30 secs. Interval between pairs.
The G.O’s C. 23rd and 25th Bdes will arrange for the firing of these rockets.
The rockets will only be fired provided the discharge of gas has taken place.