Barometric Olservations. 



157 



Epping, FebJ 16, 1321. 



Sir, — T have this day received the following baron etrical ob- 

 servations, taken on the 12th of this month, at Pockhiigtou, near 

 York, by my friend Mr. Wm. Rogerson, Jun. 



The instruments from which the above observations were made, 

 are of the very best of the kind. The basin of the barometer is 

 about nine ft et from the surface of the ground. 



The latitude of Pocklingtoii is 53" 56' N., and its longitude 

 0° 45' W. from Greenwich. 



Yours most respectfully, 



Thomas Squibb. 



Bristol, Feb. 17, 1»21. 

 Sir, — I herewith transmit you a statement of the height of the 

 mercurial column in this city on the 12th instant. The instru- 

 ment made use of is an open cistern barometer, situated 76 feet 

 above the rivers Avon and Froorne, which being dammed up — 

 one mile below the city — the height from which 1 measured may 

 be considered the average high-water mark. 



To Mr. Tilloch. Edward Jones. 



Leighton, Feb. 21, 1821. 

 Drir .Sir, — I send you the barometrical observations made 

 at this place on Monday the 12th instant j and also those made 

 at Bushy-Heath by Colonel Bcaufov. 



i.£i<;u 



