102 A TREATISE ON THE CONNECTION OF 



a great proportion of vitriolic salts, should be exclusively 

 applied to dung or other substances, to promote their 

 complete putrefaction. 



The purifying sea salt, or separating from it these 

 other salts, would be attended with the two-fold advan- 

 tage of improving the quality and taste of salted provi- 

 sions, and of promoting the putrescency of dung, or 

 other matters, by the application of such particular salts 



as are best adapted to their respective purposes. 



( 



A Treatise on the Purification of Salt, and the Necessity 

 of an Alteration in the Present Salt Laws, was given to the 

 Public about ten years since. The present system how- 

 ever is still continued, and individuals are content to 

 make use of salt with all its impurities. The purifying 

 of salt cannot take place, whilst the refuse bitter liquor, 

 consisting of Epsom salt and muriat of magnesia, is not 

 allowed to be -removed from any salt work, or employed 

 in any way whatever, without its becoming liable to a 

 duty of twenty pounds per ton on the chrystallized salt 

 capable of being thence obtained. This duty is equal to 

 /double that at present paid on sea salt, and -amounts to a 



complete 



