[38,1 
SE wot an VII. 
Of the Procefs Ser obtaining pot and pearl Afb. 
1ft, ‘The weeds fhould be cut juft before they feed, then Sage 
well dried, and gathered clean. 
adly, They fhould be burned within doors on a grate, and the 
afhes laid in a cheft as faft as they are produced. If any charcoal 
be vifible it fhould be picked out and thrown back into the fire. 
If the weeds are moift much coal will be found. A clofe fmother- 
ed fire, which has been recommended by fome, is very pre- 
judicial. 
gdly, They fhould be lixiviated with twelve times their weight 
of boiling water. A drop of the folution of fublimate corrofive 
will immediately difcover when the water ceafes to take up any 
more alkali. The earthy matter that remains is faid to be a good 
manure for clayey grounds. 
4thly, The ley thus formed fhould be evaporated to drynefs in 
iron pans; two or three at leaft of thefe fhould be ufed, and the 
ley as faft as it is concentrated paffed from one to the other; thus 
much time is faved, as weak leys evaporate more quickly than the 
ftronger. ‘The falt thus procured is of adark colour, and contains 
much extractive matter, and being formed in iron pots is called 
pot afh. 
sthly, 
