378
NEW EXPERIMENTS
TRACT 34.
64, Thursday, September 18, 1783 ; from 10 till 3 p. m.The weather fair and mild.
Barometer 3Q-0S ; Thermometer 64° at 10 a. m.
Powder
Ball’s
Vibration of
Values of
Velocityof the ball
N°
u*t
lit
wt
gun
pend
struck
E
p
8
n
1
2
3
oz
inches
oz dr
inches
•
inches
inches
lbs
inches
feet
4
5
6
7
24
14-5
16 121-
38-6
17-3
90-8
14
655-0
77-21
40-21
1194
8
32
21-6
16 121
44’0
13-0
92’9
8
656-8
7T24
40-20
880
9
36
24-4
16 121
45-8
12-3
92-5
7
658-3
77 27
40-20
838
10
39
27'2
16 121
47-5
went
over
659-7
77-29
40-20
11
20
13-3
16 121
36-7
15-5
85-8
ii
660-8
77-29
40-20
1144
12
12
8-1
16 121
29-9
18-7 5
86-8
ii
662-5
77-32
40-20
1371
13
14
9-3
16 121
27-3
16-2
85"8
u
664-2
77-35
40-20
1202 D
14
10
6'9
16 13
28-5
19-15
86-6
10
665-9
77'37
40-20
1409
id
14
10-1
16 13
31’2
19-0
89-5
10
667-5
7T40
40-19
1357
16
16
ll'l
16 13
32’7
18-0
91-4
5
669-1
77-43
40-19
1262 D
17
8
5-7
16 13
26-4
20-05
89-7
9
670-4
77-45
40-19
1436
18
6
4-6
16 13
20-7
17-0
88-5
9
671-9
77-48
40-19
1237
19
12
8-4
16 13
29-0
18-55
89-9
7
673-4
77-51
40-19
1333
20
10
6-9
16 13
28-8
20-05
90-5
6
674-8
77-53
40-19
1434
21
14
9-6
16 13
32-2
18-5
911
6
676-2
77-56
40-19
1318
9,9,
8
■■•5
16 13
25-3
18-8
89-9
6
677-6
77-59
40-18
1360
23
12
8‘4
16 13
31-1
19-8
90-9
6
678-9
77-61
40-18
1420
24
10
7-0
16 13
28’6
19-35
89-7
6
680-2
77-64
40-18
1409
25
8
5-7
16 1.3
25-4
18-5
89'5
5
681-5
77-67
40-18
1354
26
16
10-7
16 13
31-2
16-75
89-3
5
682-8
77-69
40-18
1231 d
27
16
in
16 13
31’5
17-2
91-4
5
684-1
77-72
40-18
1238 D
28
14
9-7
16 13
33-4
20-0
90-5
4
685-4
77-75
40-17
1457
The Gun n° 1 . The charge of powder was graduallyincreased till the gun became quite full at n° 10, when therewas just room for half the ball tp lie within the muzzle ;