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43

NEW EXPERIMENTS

TRACT 34.

98. Thursday, September 29, 1785.A fine clear day.

Barometer 30 - 35 ; Thermometer 60.

N°

Powder

Ball

S

Elevation

Time

Range

wt

diarn

oz

oz dr

inches

degrees

sec

feet

1

2

16 12

1-95

45

20

5120

2

.

19

4730

3

20±

5370

4

20

5120

.5

22 i

5510

6

20

5050

7

12

15

17

7120

8

IOd

4860 D

9

9d

4880 D

10

14

6660

11

5500

12

7520

These 12 rounds -were fired on the river, and observed asbefore. N os 8 and 9 are very doubtful: the means of therest are as below :

Powder

Elevation

Time

Range

2 oz

45°

20-f-

5150

12

15

15*

6700

99. The same day the following 6 rounds were fired, into the block of elm root, to try the penetrations with andwithout wads ; the first 4 being with a wad over the powder,and hard rammed ; the other two without.