. [ 3«5 ] 
pe£l fuch extraordinary Effe&s from It. Neither 
does it here feem wanted ; for the Grains of com- 
mon Salt will always be fnfficiently hard, and of 
their natural Figure, large Size, and no-ways dif- 
pofed to run by the Moifture of the Air, if formed 
- by a gentle Hear, and perfc&ly free from heteroge- 
neous Mixtures: So that the Goodnefs of Mr. 
Lowndes's Salt does not feem owing to the Alum, 
with which it is mixed, but chiefly to the gentle 
Heat ufed in its Preparation. 
The Dutch , who have long (hewn the greatefl: 
Skill and Dexterity in the Art of boiling Salt, make 
ufe of another Addition, which they efteem the 
greatefl Secret of their Art. This is Whey, kept 
feveral Years till it is extremely- acid ; now firft re- 
vealed by our Author to the Britifh Salt-Boilers, 
but long held in great Efleem by the Dutch , for 
the good EfFefts it hath upon their Salt ; which it 
renders ftronger, more durable, and fitter to preferve 
Herrings, and other Proviflons. 
Bay-Salt, as well as white Salt, is of different 
Kinds, and poffeffed of different Qualities : With the 
different Kinds of thefe Proviflons muft be cured, 
according to the Ufes for which they arc deflgned. 
The Dutch indeed ufe no Salt for curing Proviflons, 
befides their own refined Salt. With it they can 
preferve Flefh and Fifh of all Kinds as well as with 
the ftrongeft Bay Salt; and chufe to be at the Ex 
pence of refining Bay Salt, rather than to defile their 
Proviflons with the Dirt and other Impurities, with 
which it commonly abounds. 
* 
Salt, eftcemed the befi for curing Proviflons, and for 
preferving them the longeft time, is that which is the 
flrongeft and the pureft. This may be known by 
B b b the 
