Lee 4s] 
earlier operations of bleaching, but by the addition of half a 
pound of quick lime to every hundred of the falt, or of ten 
pounds for every tun, it will be rendered fufficiently fharp. There 
is no danger that any of the lime will remain in the ley; but if 
~ any fhould it will immediately be difcovered, and depofited by 
the addition of a little of the unmixed ley. 
