86 
MINUTES OF PROCEEDINGS OF 
Practice Table. 
Nature of Ordnance. —Short 15c.m. B.L. Gun. Jump Projectile. —Common shell, 2\ calibres in 
or angle by which the discharge increases the ele- length. Charge, 0'8 k.g. 
vation ( Nrhebungswinkcl ) 6'. 
Range. 
Deflection. 
2 
fcJD 
P 
cc 
e+H 
O’ 
bJj 
Angle of elevation. 
Angle of descent. 
Time of flight. 
Final velocity. 
Space within 
which 50 per cent, 
of the shells 
strike. 
Lateral and vertical dis¬ 
placement of the point of 
impact corresponding to an 
alteration of3 m.m. (or about 
5') in the deflection and ele¬ 
vation respectively. 
Alteration of range for 
every b' (or about 3m.m.) 
of elevation. 
Lateral displacement of the 
point of impact correspond¬ 
ing to every 3 m.m. of the 
index-plate of the aligning 
apparatus. 
Length. 
Breadth. 
Height. 
metres. 
m.m. 
e.m. 
o / 
o / 
secs. 
metres. 
100 ... 
1-5 
3-80 
0 55 
1 1 
0-60 
165-7 
3-72 
0-07 
0-07 
0-14 
h ( 
OW 
200 ... 
3-0 
7-35 
1 56 
2 3 
1-21 
164-6 
4-85 
0-14 
0-17 
0-29 
l 8 .Q ) 
0-19 
300 ... 
5-0 
11-05 
2 59 
3 7 
1-82 
163-4 
5-97 
0-22 
0-32 
0-43 
\ I 
0-28 
400 ... 
6"5 
14-90 
4 2 
4 12 
2-44 
162-3 
7-10 
0-30 
0-52 
0-57 
) L 
0-38 
500 ... 
8-0 
18-80 
5 6 
5 19 
3-06 
161-2 
8-23 
0-39 
0-76 
0-71 
r 
0-47 
600 ... 
io-o 
22-80 
6 11 
6 27 
3-69 
160-1 
9-34 
0-48 
1-05 
0-86 
1 „ \ 
0"57 
700 ... 
11-5 
26-90 
7 17 
7 37 
4-34 
159-0 
10-49 
0-57 
1-39 
1-00 
r * ” i 
0-66 
800 ... 
13-5 
31-05 
8 24 
8 49 
4-99 
157-9 
11-59 
0-68 
1-79 
1-14 
) 
0-76 ■ 
900 ... 
15'5 
-— i 
9 33 
10 4 
5"65 
156-9 
12-74 
078 
2-25 
1-29 
l <7-0 i 
0-85 
1000 ... 
17-5 
— 
10 44 
11 26 
6-32 
155"9 
13-87 
0-89 
2-76 
1-43 
5 7 0 l 
0-95 
1100 ... 
19-5 
— 
11 57 
12 40 
7-01 
154-8 
14-99 
1-00 
3-35 
1-57 
J c 
1-04 
1200 ... 
21-5 
— 
13 11 
14 2 
7-71 
153-9 
16-13 
1-12 
4-00 
1-72 
[ 6-5 \ 
1-14 
1300 ... 
23'5 
14 29 
15 27 
8-43 
152-9 
17-25 
1-25 
4-74 
1-86 
) l 
1-23 
1400 ... 
26-0 
15 4.) 
16 56 
9-17 
152-0 
18-38 
1-37 
5-56 
2-00 
l fi-n $ 
1-32 
1500 ... 
28-5 
- JjM 
17 12 
18 29 
9-93 
151-1 
19-51 
1-51 
6-48 
2-14 
5 6 0 X 
1-42 
1600 ... 
31-0 
18 39 
20 7 
10-72 
150-2 
20-64 
1-64 
7-51 
2-29 
5"5 
' 1-51 
1700 ... 
33-5 
_ ■ 
20 11 
21 50 
11-57 
149-4 
21-77 
1-78 
8-67 
2-43 
X 5-0 < 
1-61 
1800 ... 
36'5 
21 48 
23 40 
12-41 
148-6 
22-89 
1-93 
9-94 
2-57 
5 5 0 X 
1-70 
1900 ... 
395 
— 
23 32 
25 37 
13-32 
147-9 
24-02 
2-08 
11-44 
2-72 
4-5 
1-80 
2000 ... 
43-5 
— 
25 25 
27 44 
14-29 
147-2 
25-15 
2-24 
13-14 
2-86 
4-0 
1-89 
Practice Table. 
Nature of Ordnance.— Short 15c.m. B.L. Gun. Jump Projectile. —Common shell, 2| calibres in 
or angle by which the discharge increases the ele- length. Charge, 0‘7 k.g. 
vation ( ErhebungswinJcel ) 6'. 
Range. 
Deflection. 
Height of tangent scale. 
Angle of elevation. 
Angle of descent. 
Time of flight. 
Final velocity. 
Space within 
which 50 per cent, 
of the shells 
strike. 
Lateral and vertical dis¬ 
placement of the point of 
impact corresponding to an 
alterationof3 m.m. (or about 
5') in the deflection and ele¬ 
vation respectively. 
Alteration of range for 
every b' (or about 3 m.m.) 
of elevation. 
Lateral displacement of the 
point of impact correspond¬ 
ing to every 3 m.m. of the 
index-plate of the aligning 
apparatus. 
Length. 
Breadth. 
Height. 
metres. 
m.m. 
c.m. 
O / 
o / 
sees. 
metres. 
100 ... 
2 0 
4-40 
1 5 
1 11 
0'65 
^153 "5 
3-72 
0-07 
0-08 
0-14 
0-09 1 
200 ... 
3*5 
8-55 
2 17 
2 24 
1-31 
152-5 
4-85 
0-14 
0-20 
0-29 
> 7 '° \ 
0-19 
300 ... 
5"5 
12-95 
3 29 
3 38 
1-99 
1514 
5 - 97 
0-22 
0-38 
0-43 
) l 
0-28 
400 ... 
7-5 
17-40 
4 43 
4 54 
2-67 
150-4 
7-10 
0-30 
0-61 
0"57 
") c 
0-38 
500 .. 
9-5 
22-00 
5 58 
6 12 
3-37 
149-3 
8-23 
0-39 
0-89 
0-71 
/ 6- 5 i 
0-47 
600 ... 
11-5 
26-70 
7 14 
7 32 
4-08 
MS-3 
9-34 
0-48 
1-23 
0-86 
0-57 
700 ... 
13'5 
31*55 
8 32 
8 55 
4-81 
147-3 
1049 
0"57 
1-63 
1-00 
) ( 
0-66 
800 ... 
16-0 
; ' — 
9 52 
10 20 
5-56 
146-3 
11-59 
0-68 
2-10 
1-14 
X fj.n f 
0-76 
900 ... 
18-0 
: —6 ' 
11 14 
11 48 
6-33 
145-4 
12-74 
0-78 
2"65 
1-39 
S 60 X 
0-85 
1000 .. 
20-5 
12 39 
13 20 
7-12 
144-5 
13-87 
0-89 
3-37 
1-43 
1 c 
0-95 
1100 .. 
23-0 
14 6 
14 55 
7-90 
143-7 
14-99 
1-00 
3-97 
1"57 
r 5-5 \ 
1-04 
1200 ... 
25-5 
15 37 
16 35 
‘ 8-79 
142-7 
16-13 
1-12 
4-77 
1-72 
) l 
1-14 
1300 ... 
28-5 
— 
17 12 
18 19 
9-67 
141-8 
17-25 
1-25 
5"68 
1-86 
5-0 
1-23 
1400 ... 
31-0 
18 52 
20 10 
10 60 
141-0 
18-38 
1-37 
6-70 
2-00 
X 4..K f 
1-32 
1500 ... 
34" 5 
20 38 
22 7 
11-57 
140-2 
19-51 
1-51 
7-88 
2-14 
S 4° 1 
1-42 
1600 ... 
38-0 
— 
22 31 
24 13 
12-60 
139-5 
20-64 
1-64 
9-22 
2-29 
4-0 
1-51 
1700 ... 
41-5 
— ‘ 
24 34 
26 29 
1372 
138-8 
21-77 
1-78 
10-78 
2-43 
3-5 
1-61 
1800 ... 
40-0 
• — . 1 
26 50 
29 0 
14-93 
138-2 
22-89 
1-93 
12-61 
2 "57 
3-0 
1-70 
1900 ... 
52"5 
-r-; 1 
29 26 
31 52. 
16-30 
137-7 
24-02 
2-08 
14-84 
2-72 
2-5 
1-80 
2000 ... 
58-5 
— 
32 34 
35 15 
16-99 
137-4 
25-15 
2-24 
17-66 
2-86 
2-0 
1-89 
