tract 34,
in gunnert;
17
♦
77. Saturday , September 11, 1784 ;from 10 till 1.Very hot and clear weather.
N?
Ball’s
V : branon of
Point
struck
£
Values of
Veloc.
ball
diam
wt
gun
pend
p
A
n
inches
OZ
dr
inches
in
lb
inches
feet
1
58
.2
1-97
16
14
249
225
89-6
10
654-3
76-23
4029
1814
3
1-92
16
4
248
206
89-6
6
655 4
76-25
40-29
1730
4
1-87
15
2'
241
185
88-7
8
656‘6
76-27
40-29
1693
5
1-97
16
14
262
224
89-7
5
65T8
76-29
40-29
1815
6
1-92
16
2
249
201
88-9
7
658 9
76-32
40-28
1725
7
1-87
15
2
236
177
88-6
7
660-1
76-34
40-28
1631
8
1-97
16
14
165
165
90-0
7
661-3
76-36
40-28
1341
9
1-92
16
2
155
146
89-3
6
662"4
76-39
40-28
1255
10
1-87
15
2
149
134
89-7
/
663 6
76-41
40-28
1228
11
1-97
16
14
165
165
89-9
6
664*8
76-43
40-28
1351
12
1-92
16
1
158
142
89’f
5
665-9
76-45
4027
1233
13
1-87
15
2
146
132
89-3
5
667-1
76-48
40-27
1222
The charge of powder n° 1 was 4 oz ; n 03 2, 3, 4, 5, 6, 7each 8 oz ; the rest 4 oz.
The Gun was n° 3, and weighed 934 lb.
At n° 2 the recoil 249 of the gun is too small; owing tothe stylette, which ought to trace the arc, not marking allthe way.
The Pendulum as left yesterday.
The mean value of i, or point struck, these two days, is89-34.
The object this day was the effect of different sizes andweights of balls, and different degrees of windage.
The mean weight of balls and velocity, for the twoweights of powder 4 and 8 ounces, are as follow :
VOL. III.
c