i 6 Of Salts in general. 
ral Ufe. Wherefore as this Xnftrumenft which 
has been conftrucfted ftnce the Publica¬ 
tion of the Microfcope made eafy, could not 
be given there amongft the other Micro- 
fcopes then in ufe, I intend at the End of 
this Treatife to infert a Drawing and fhort 
Defcription of it. 
C H A P. Ill, 
Of Salts in general. 
I T feems neceffary, in order to make 
the Matter in Hand underflood the bet¬ 
ter, that fonie Account be given of what is 
meant by Salts and Saline Subftances , toge¬ 
ther with fome fhort Explanation of the 
Diffolution of fuch Subftances, and their 
Cryftalization afterwards; whereby the Dif¬ 
ference between my Experiments and thofe 
of others may become more evident. 
Few will I prefume imagine, that I mean 
by Salts fuch Subftances only as afford what 
is called a Salt Tafte for Salts are of all 
Taftes, and Sugar itfelf is no other than 
a Salt extracted from the Sugar Cane. But 
we underhand by Salts, all Subftances what- 
foever that are diffolvab'Ie in Water, or 
whofe Parts become fo .feparated thereby 
as to difappear therein'j which, notwith- 
ftanding 
