21st Divisional Artillery Instruction June 1916

21st Divisional Artillery Instruction June 1916

Cooperation with aeroplanes.

Digest of XV Corps R.A. 15/CA9/10
System suggested.

1. Country be divided into zones 2000 Yds by 6000x these in Map Square F say would be divided thus
1 2 3 4 5 6
7 8 9 10 11 12
13 14 15 16 17 18
19 20 21 22 23 24
25 26 27 28 29 30
31 32 33 34 35 36

2. Country divided into zones 3000x X 3000x

1 2 3 x 4 5 6
A B

C D

Then case 2. If aeroplane sees a target at pt x he sends call F.A. Inf in map F.3.B28 etc. the B.C. knows what country he is covering & so tells operator to work out for calls according to his Square.

21st Divisional Artillery Instruction24 June 1916

21st Divisional Artillery Instruction24 June 1916
APPENDIX F/2.
21 Div
G.615.

XV Corps 1
62 Inf. Bde. 5
63 : : 5
64 : : 5
Div. Art. 2
Div. Eng. 4
Pioneers 1
Signals 1
178 Tun Co. R.E. 1
“Q” 3
A.D.M.S. 1
A.P.M. 1
C. Comdt 1
D.A.D.O.S. 1
7th Div. 1
17th Div. 1
34th Div. 1
50th Bde 1 “F” Coy R.E.

SMOKE ATTACK

1. If the wind permits, discharges of smoke will take place during the last 10 minutes of the undermentioned periods of concentrated bombardments on June 26th, 27th & 28th.
That is to say –
on June 26th at 10.10 a.m.
on June 27th at 5.40 a.m.
on June 28th at 7.10 a.m.

2. In each discharge, 12 “P” bombs per emplacement every 25 yards will be discharged as under:-
First minute, – throw 3 “P” bombs.
Next two minutes, – : 2 “P” bombs per minute.
Next five minutes, – : 1 “P” bomb per minute.
8 minutes – 12 “P” Bombs.

3. Five minutes before Zero on June 29th a smoke discharge will be made on the front between the CEMETERY and the TAMBOUR at F.3.a.4.0.
The attack will last for one hour and 1,876 “P” bombs will be issued.

4. The following arrangements will be made for the above attacks:-
8,788 “P” bombs will be issued to the 21st Division. Of this number 6,912 will be stored in QUEEN’S REDOUBT and 1,876 in the vicinity of the Bn H.Q. of the present Right Sector.

5. The emplacements from which discharges will be made have been selected and will be marked with a metal label –
On the Division front there will be 96 posts distributed at intervals of 25 yards.

6. Two men are required for detonating and throwing at each post.
R.E. personnel will be distributed along the line, one man to each post.

7. These posts will be manned on the 26th and 27th June by men of the 62nd Bde. who have been trained in the use of the “P” bombs.
These men will be posted at their respective points by 62nd Bde.

8. On the 28th and 29th June, these posts will be manned by men of the 50th, 63rd and 64th Bdes. These men will be posted at their respective points by the Brigades concerned.

9. For discharges on the 26th, 27th and 28th June, the R.E. personnel will carry up the boxes of bombs from QUEEN’S REDOUBT to the posts where they find the infantry men who have been detailed to assist. The latter will be at their posts two hours before the time arranged for the discharge.

10. In the discharge on the 29th June, the 1,876 “P” bombs dumped at Bn. H.Q. of present Right Sector, will be sent up to their emplacements under arrangements to be made by the 50th Bde. and will be met there by the R.E. personnel and the infantry men detailed for throwing duty. 3 hours before Zero, 67 bombs will be sent up to each post.

11. Bombs are packed 24 in a box.

12. Captain Thomas, Comdg F. Co. R.E. will be good enough to place himself in communication with the Brigadiers of the 62nd, 64th and 50th Bdes. to ascertain that these instructions are clearly understood so far as he is concerned.

13. During the periods of the smoke discharges, the trenches from which the discharge takes place will be held as thinly as possible.

14. During the smoke attacks, Stokes Mortars will be employed and indirect machine gun fire will be opened on the enemy’s communications.

21st Divisional Artillery Instruction 24 June 1916

21st Divisional Artillery Instruction 24 June 1916

SECRET
15/CA 10/42/2.

USE OF LACHRYMATORY & GAS SHELLS.
***************************************

With reference to 15/CA 10/42 dated 17th June 1916 and 15/CA 10/42/1 dated 22nd June 1916.-

1. Instructions have been issued by the FOURTH ARMY that gas shells No 4 and No 5 may be fired from the French 75. mm guns on all days of the bombardment.
They will now be used both by day and night to fire on the places enumerated in 15/CA/42/1 dated 22nd June 1916, whenever the weather conditions are suitable.
They will be especially useful for counter-battery work and for blocking communication trenches and sunken roads by night.

2. There is no alteration in the instructions for the use of 4.5” Howitzer lachrymatory shells as given in 15/CA 10/42/1.

E.W. Alexander
Brigadier General., R.A., XVth Corps
24/6/16

Appendix to XV Corps Heavy Artillery Instruction 24 June 1916

Appendix to XV Corps Heavy Artillery Instruction 24 June 1916

Z DAY
SPECIAL SCHEDULE.

Battery Guns Position Rounds
Allotted Objective No of hours No of Rds Remarks
French Group 77 mm Guns F.13.c Gas shell

do

do

do

Gas or H.E.
MAMETZ VILLAGE, FRICOURT WOOD, ROUND WOOD, SHELTER WOOD, LOZENGE WOOD, FRICOURT FARM, and if the wind is away from our lines FRICOURT.

QUADRANGLE TRENCH, In Square X.23.c., WOOD TRENCH, STRIP TRENCH, BOTTOM WOOD, RAILWAY ALLEY, in Square X.29.c., and in the Valley running N & S in squares X.23.b. & d., and X.29.b.

MAMETZ WOOD in Squares X.18.c., X.24.a.&c.

MAMETZ WOOD Squares S.13.d and 19.b. FLAT IRON COPSE, & MARLBORO WOOD.

do. do. Up to -30 mins before zero

Up to zero

Zero to 1 hr

1 hr, to 2.55

2.55 on Rapid rate of fire

do

do

Quick rate of fire

Slow rate of fire

21st Divisional Artillery Instruction 24 June 1916

21st Divisional Artillery Instruction 24 June 1916

SECRET
15/CA 10/66/1

7th Divisional Artillery
21st Divisional Artillery
XV Corps Heavy Artillery.

From 12 noon to-day till further notice, the regular daily and weekly artillery reports will be no longer required.

A short written account of operations covering a period from 5 am to 5 am will be forwarded to this Office by 10 a.m. daily, (earlier if possible), beginning to-morrow 25th.

This is in addition to telephonic reports called for under my 15/CA 10/66 of 22nd instant.

J.M.R. Harrison
Major R.A.,
S.O. R.A. XVth Corps
24/6/16

21st Divisional Artillery Instruction 24 June 1916

21st Divisional Artillery Instruction 24 June 1916

SECRET
21 Div
G.615

XV Corps 1
62 Inf. Bde. 5
63 : : 5
64 : : 5
Div. Art. 2
Div. Eng. 4
Pioneers 1
Signals 1
178 Tun Co. R.E. 1
“Q” 3
A.D.M.S. 1
A.P.M. 1
C. Comdt 1
D.A.D.O.S. 1
7th Div. 1
17th Div. 1
34th Div. 1
50th Bde 1
“F” Coy R.E. 1

Reference 21 Div O.O.55 dated 17/6/16.

Appendix F/2 (Smoke Attack) together with amendments, forwarded under this office Nos G.452, G.475 and G.529 dated 20th, 21st and 22nd June respectively, are cancelled and the attached Appendix F/2 substituted.

Please acknowledge receipt.

H.E. Franklyn Captain
For Lieut-Colonel
General Staff,
21st Division.
24/6/16

XV Corps Heavy Artillery Instruction 24 June 1916

XV Corps Heavy Artillery Instruction 24 June 1916

24/6

R.A. 21st Division. Herewith amendments to my operation order 7 to French Group.

F.W. Byman
Major
B.M. H.A.
XV Corps

Box stamp of XV CORPS HEAVY ARTILLERY No T116/44.

M. le Commandant,
Le 6e Groupe M 75.

Orders have been received that gas shells may be used on any day of the bombardment both by day and night. They may therefore be used on any of the objectives in the special schedule on V. W. X & Y days and nights, but must not be used nearer to our own lines than 800 yards.

For Z day an amended special schedule is attached.

Please destroy the schedule for Z day, previously issued.

Major,
Brigade Major, H.A. XV Corps.
24.6.16