Grains 
[ 447 3 
according to the Wetnefs or Drynefs of the 
Seafons ~ of this in calcarious Matter ; 
the reft, moftly what is called nitrous Salts, 
on account of the oblong Chryftals which it 
fhoots into. 
Dog and ‘Ducky Lambeth - - 4 °!' 
6. Kilburn , four Miles from London y in the 
Way to Edgwar • ~ ‘43 
7. Atton - - - 44 
8 . Cheltenham , Gloucefierjhirey - - ho 
Dr. Short found the following Proportions 
in Cheltenham Water 5 viz. 
Sept. 1738. calcarious Sediment of 74, 
Dec. 1738. - - - - T V of 4.2 
July 1739. - - - -5^ of 70 
He fays it is the beft and ftrongeft nitro-calca- 
rious Water in Englandy very bitter, hav- 
ing only a little lubtil impalpable Earth 
mixed with its Salt. 
9. Cobham Well , a Mile South of Church 
Cobham y Surrey , once 68 Grains, another 
time 60 Grains - - - - .68 
10. JeJJop’s Welly on Stoke Common t in Mr. 
Vincent's Manor, about three Miles South- 
ward of Claremont , Surrey , Sept. 11, 1749. 
after long dry Weather, 82 Grains in a Pound 
of the Surface-Water - . - 82 
Qttober 1 6, after a confiderable Quantity of Rain, 
the Surface-Water yielded but 60 Grains Nov. 
2 1, the Surface-Water yielded 6f Grains. 
