122 Aqueous Vapour Atmosphere. 
1822.— Observations on Helvellyn. 
August 7th. Dew-point 55° in the circumjacent country. 
Aug. 8th. Ht. above the Temp. Dew- Temp. of 
valley,inyds. of air. point’ Water. 
61 P.M. Confluence x > SRN 
Sigeunaaret t ane See Pi hla ary 
Ce ricbes Brownrigg- 5 
Weel. WT Boosaceskt ATT REeeS 43 42 
i § ne Summit............ SE eee Arb rege 40!.... — 
Beso suk Be Gahe. cnscsiocess 219) 9 ae of pee ane 5 — 
Bi panaaes In the Valley __.0........ Le CPR 52 a 
Weather.—Air clear, but cloudy in the west horizon. 
In company with Mr. Otley. 
1823.— Observations on Helvellyn. 
July Sth. Ht. above the Temp. Dew- Temp.of 
valley, inyds. of air. point. Water. 
3: P.M. Summit........ SHSostestd BO? bien 40°? ..a5h% — 
As MES Brownrigg- e 
: D ceck aces Le errere AN Ss 41° 
Well ....... i i 
Sree ines Inthe valley — 0......:. may aesanend AB ws asssses — 
Weather.—Glieamy in ascending, cloudy in descending. 
In company with Mr. Charles Henry. 
N. B.—At this time there was a large snow-drift in the 
usual place, about a quarter of a mile north of the summit, 
filling a deep sloping ravine facing the N. E——The quan- 
tity was estimated at 30 or 40 cubic yards. 
* In ascending from the Inn at Wythburn and keeping to the wa- 
ter-course on the left, we come, at the elevation of 500 yards, to the 
confluence of two primary streams ; one from the north descends from 
Brownrigg-well; the other from the east comes from ene or more 
springs not quite so elevated. Their temperatures just above the junc- 
tion were observed as by the table, 
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