16

NEW EXPERIMENTS

TRACT 34.

Also the new number of oscillations per minute for thisday will be found by this formula,

375-3 V

og-biog o — bit

= 375-3*/

Gff — b i

Gg

140850

■ bit

40-5;

n n

where the values of the letters are thus, namely :

G = 934

g =b — 439i =z 90-3n ~ 40'2

Now in this day’s experiments, the

Charge or weight of Powder

Mean height of dittoMean recoil with ballDitto without - - - -

Difference, or c r - -

Hence velocity by recoilMean ditto by pendulumDifference - - -

Or nearly the part - -

2oz

4 oz

6 oz

8 oz

1-8

3-1

4-3

5‘8

192

321

431

515

115

192

.

.

206

239

•

•

1170

1358

•

755

1131

1370

1475

+ 39

- 12

I

T5-

I

TTT

These velocities from the recoil are found by the theoremX where the values of the letters are thus:

96 hr

G = 495

g = TO-5b = 1-047i = 89-15= 40-5

n