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TRACT 34.

IN GUNNERY", 1786 .

4.5

EXPERIMENT IN 1786.

102. Monday , Jane 12, 1736 ; from 10 till I.Fine weather.

Barometer 29"89 ; Thermometer 63° at 9 a. m.The Gun was n° 2.

Balls

Time

N°

Powder

Elevat

of

Range

diam

Wt

gun

flight

02

inches

02

dr

deg.

1

2

1"96

16

6

15

o

1"96

6

14d

5000 d

3

1 "96

6

5040 n

4

1"96

6

8

3920

5

1 97

7

7*

3560

6

196

.

5

Si

3910

7

1-96

.

5

101

4450

8

1 '96

5

91-

4280

9

1"95

.

5

si

3910

10

i"96

4

15d

5600 n

11

1 "96

.

4

84

3910

12

1 "96

4

111

4750

13

1"96

-

4

91

4270

14

1-96

.

4

10

4230

15

T96

.

4

9i

4000

16

T95

3

4960 d

17

1"95

9

H

4420

18

4

1-95

3

4840

19

4

1-96

3

114

4690

20

4

1-96

2

10*

5650

medi-7

2

1-959

16

5

15

4130

ums 5

4

T957

16

9 Z

15

li

5060

The ranges were taken from observations, as before, atDuvals house, and the first gibbet. The first 17 roundswere fired this year, with two ounces of powder, to com-plete the series of ranges at 15 degrees elevation of the gun ;and the last three rounds, with 4 ounces, to try if the pow r -der w r as of the same strength as before : and which, bycomparing these three ranges with those of last year, ap-