TRACT 37-
OF GUNNERY.
223
N°
Eleva.of thepiece.
T
Wt
Ball’
diam
s
velocity
Time offlight
Range
Remarks.
degr.
lbs
inches
feet
sec
feet
1
45°
1-04
1-96
863
2l"-2
5109
2
15
1'02
1-96
868
9-2
4130
3
15
1-03
1-96
1234
9-2
4660
One pound
4
15
1-06
1-96
1644
14-4
6066
r balls.
5
15
1-06
1-96
1676
1 5'5
6700
6
15
1'03
1-96
1630
10-1
5610
J
7
45
14-25
4-43
197
4-5
256
7 Shells filled
8
45
14-25
4-43
297
7-0
870
J with lead.
y
45
12-88
4-49
207
5-0
376
7 Solid iron
10
45
12-88
4-49
293
8-0
1068
^ balls
ii
45
8-70
4-43
252
5-0
368
7 Shells filled
12
45
8-56
4-43
380
9-0
1083
\ with water.
13
45
S-35
4-44
257
5-7
426
Empty shell.
14
45
1-38
4-40
633
6-0
505
Oaken ball.
15
45
0-40
4-40
1175
5-5
408
Paper ball.
16
60
64-0
7-69
564
24-5
4350
Solid ball.
17
60
48-0
7 69
651
26-8
4950
, Shell.
18
60
128-0
9-74
556
2.5-5
5220
Solid ball.
19
60
96-0
9-74
643
27-0
5790
Shell.
20
45
3-0
2-78
1200
7360
•
21
45
30
2-78
860
23-0
5850
-
22
45
3-0
2-78
600
16-0
3870
23
45
3-0
2-78
860
22-5
5850
W
24
30
3-0
2-78
1200
22 0
7680
vT
25
20
3-0
2-78
1200
12-0
4800
. .
26
45
3-0
2-78
1200
ball
7360
•
27
45
30
2-78
1697
d°
8130
Ang.offall6l 0 ^
28
75
3-0
2-78
1200
d°
5960
29
75
3-0
2-78
1697
d°
6130
30
35
48-0
7-69
571
shell
6 150
7 Angle.^ 52°
31
55
48-0
7-69
571
d°
5100
\ of fall ) 6lf
32
45
96-0
9-74
430
d°
6080
Some applications of the foregoing principles we now pro-ceed to state, in the following problems.