[ *8 3 . 
white fediment will be feparated’; and the rain water 
being evaporated to a pellicle, will leave a brown de- 
polit, which will appear to be a bitter muriatic fait, 
containing fometimes a few cryftals. 
Experiment XVIII. 
The Somerlham water mixes well with warm and 
boiling milk, when carried at a diftance as well as at the 
fpring head ; but when equal quantities of the water 
and milk are boiled together, then the milk is turned 
immediately, the curd of which becomes of a bright 
pink color with galls, the whey of a reddifh brown, 
and both are of an agreeable rough and ferruginous 
tafte. 
Experiment XIX- 
To difcover if the water contained any allum, 
according to Dr. Shaw’s direction, fome leaves of 
the herb Geranium Robertianum, commonly called 
Ragged Robert, were infufed in four ounces of So- 
merfham water, a companion made between this 
infulion, and one of the fame herb, in the fame 
quantity of dilfilled rain water, and another in as 
much diftilled rain water, with two grains of allum 
powdered. The glalfes were all placed in a mo- 
derate heat, and the feveral infulions appeared, as 
follows, after Handing twenty four hours ; the So- 
merfham water of a purple color, with a rcddifh 
hue; the rain water, with allum, of a green, with 
a reddilh call; and the rain water of a fine green. 
The herb fubiides with the Somerlham water, floats 
i in 
