382 
MESSRS. R. H. FOWLER, E. G. GALLOP, C. N. H. LOCK AND H. W. RICHMOND : 
Table VI. (continued). 
1 . 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
Mean value 
Total 
Round No. 
Twist 
Value of s 
of V 
percentage 
or group of 
of 
deduced from 
corresponding 
Value of p.. 
spread of 
rounds. 
rifling. 
observation. 
to value 
/ M \ V l a )‘ 
s or fi in 
of s. 
group. 
II. I 
1/40 
1-216 
1983 
5506 
9-12 
1-804 
II. 2 
1/40 
1-200 
1982 ' 
5689 
9-42 
1-803 
II. 3 
1/40 
1-2.32 
1984 
5320 
8-80 
1-805 
II. 4 
1/40 
1-220 
1985 
5809 
9-59 
1-806 
III. 8-10 
1/40 
1-107 
919 
1520 
11-41 
0-837 
0-9 
III. 17-19 
1/30 
1-64 
1091 
2570 
13-66 
0-997 
3-3 
III. 20,21 
1/30 
1-76 
1262 
3200 
12-79 
1-156 
2-1 
III. 22, 23 
1/30 
1-84 
1526 
4500 
12-32 
1-398 
2-9 
III. 5- 7 
1/40 
1-035 
1556 
4410 
11-96 
1-411 
0-6 
III. 1- 4 
1/40 
1-109 
1994 
7020 
11-52 
1-814 
1-4 t 
IV. 21-23 
1/30 
1-64 
884 
1270 
10-25 
0-808 
2-6 
IY. 13-15 
1/30 
1 * 39 
1060 
2140 
12-06 
0-969 
5-0 
IV. 16-20 
1/30 
1-505 
1502 
4070 
11-41 
1-373 
3-7 
IY. 24 
1/30 
1-525 
2045 
7420 
11-29 
1-874 
IV. 25 
1/30 
1-525 
2075 
7500 
11-11 
1-899 
1-0 
IV. 26 
1/30 
1-54 
2093 
7680 
11-16 
1-917 
