24
NEW EXPERIMENTS
TRACT 34.
The object was again to try if the velocity of the ballwould be increased by diminishing the recoil of the gun.And, for the severer trial, a great quantity of heavy timberwas laid behind and against the cascable of the gun in thelast three rounds, so as to stop the recoil intirely, which itdid, excepting for about the \ or J- of an inch, which thegun pushed the timber back, as expressed in the column ofrecoil. But the result was still the same.
The Pendulum the same as left hanging since yesterday.
The mean value off, or point struck thelast 6 days,is89"4.
84. Wednesday, October 6, 1784.The weather clear, but windy.
N°
Vibration of
Point
struck
e»
be
3
ft-
Values of
Veloc.
of
ball
gun
pend
p.
n
inches
in
lb
inches
feet
1
62
2
144
3
144
4
148
5
147
6
155
7
157
8
272
150
88-4
9
728-7
77-46
40-22
1416
9
268
146
88-8
7
729-8
77-48
40-22
1375
10
279
150
88-1
5
730-9
77-49
40-22
1426
11
279
147
68-7
7
732'0
77-51
40-21
1390
12
273
150
87-4
6
733-2
77-52
40-21
1442
13
282
174
87-4
8
693-4
76-83
40-27
1566
mean
1436