223

TRACT 37. OF GUNNERY.

N°

Elevaof' the

The Ball’

s

Time of

Range

Remarks.

piece.

\vt

<iiam

velocity

Right

degr.

lbs

indies

feet

sec

feet

]

45“

1-04

1-96

863

21"-2

5109

1

j

2

15

1-02

1-96

868

9-2

4130

3

15

1-03

1-96

1234

9-2

4660

(One poundj balls.

4

15

1-06

1-96

1644

14-4

6066

5

To

1-06

1-96

1676

15-5

0700

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

$ with lead.

9

45

12-88

4-49

207

5-0

376

7 Solid iron

10

45

12-88

4-49

293

8-0

1068

\ balls

11

45

8-70

4-43

252

5-0

368

} Shells filled

12

45

8-56

4-43

380

9-0

1083

\ with water.

13

45

8-35

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

40S

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

25-5

5220

Solid ball.

19

60

96-0

9-74

643

27-0

5190

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

w

p

23

45

3-0

2-78

860

22-5

5850

24

30

3-0

2-78

1200

22 0

7680

’J.

25

20

3-0

2-78

1200

12-0

4800

26

45

3-0

2-78

1200

ball

7360

•

27

45

3-0

2-78

1697

d°

8130

Ang.offall6l°4

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

6150

7 Angle £ 52°

31

55

48-0

7-69

571

d°

5100

\ of fall } 6l-i-

32

45

96-0

9-74

430

<r

6080

Sortie applications of the foregoing principles we now pro-ceed to state, in the following problems.