Of Winds and Sounds.

lre £t Pulses, will be made by those whichreflected ; which is what we call aa

<lhe

D.

' Pei - lZ-

H.

6 to 12 N.—

Vib rat.

f I20 i-

J 122 j

Wind.

N. E.by E. I

1 ju 21 ’

n* M

—

I 19 ~*

E. 2

'War.$ 0.

10 M.

—

113 —

8. W. 7

■Apr. 2.

8J pM.

—

ii 4 i~ii6j —

S. by W. 1

3 -

' 10 M.

—

S. 4

5 -

1 pM.

—

rn —

8. W. by W. 7

1 3 -

81 M.

—

120 —

N. by E. 2

24.

5 P M -

—

116 —

S. W. by W. 0

V. n.-

f 61 pM.

—

1 1 5 ~

W. 1

I 7

—

nSl -

W. by N. 2

_ 29-

ioj- M.

—

112 —

8. 8. W. 6

0-S. 6.

10 M.

- -

117 —

E. S. E. 1, 2

^W. 30.

Noon

--

115 —

8. S. W. 4

^‘b. 15.

11- M.

- ‘

116 —

S. by W. 1

'.JL, „ 1

f ist M.

116 —

S.W. 0

^0<v.2g, 1

( Noon

—

118 —

S. W, by 8. 1

^eb, j.

Noon

—

1 13 —

8 . W. by W. 4 ’

the first Column of this Table M denotes thepM the Afernoon, and N Night: Also theI, 2, 3, 4, 5, 6, 7, affixed to the Points of the4 f j W the third Column, denote the several DegreesMw ren gth with which the Wind blew at the Timeij Experiments were made. From this Table*3 Vp/F to observe, that in this large Distance (of nearN 1 tb ) VeIocit y of Sound is sensibly affected1 Current of the Air or Wind ; for since Black-'s j near S. W by W. from Upminjier , we fee that” f iil ^ 5 ) 1705, when there was a strong Wind con-\J» 'yith Sound, it came in in Half-Seconds;as in Feb, 13, 1704, when the Wind was di-c °ntrary, though but a gentle one, the SoundNr Itl U P no less than 120 and 122 Half-Seconds in7 rhe fame Distance. The fame is confirmed alsoA x P er i rnent on dpril 13, 1705.

■ n d it is farther observable, that the Acceleration^ depends on the Strengtli of the Wiind ; for on