V 



rio 'Obfervatiojis upon the art of 



farm a valuable fet of works, confiflmg of 130,000 faperficiar 



feet ; the annual produce of wliich he eftlmates at upwards of 

 520 hogflicads of marine, befides a due proportion of glauber 

 fait, amounting to about nine tons. This gentleman, with 

 man}r others, are now augmenting riieir works in. the confi- 

 dent expe(5lation of realizing a clear profit from_ 25 to 35 per 

 cent. Some works pofTefling peculiar advantage in point of 



fituation, have yielded a greater profit ; and proprietors in 

 general calculate upon defraying the expenfe of their works in 

 four or five years. The average produce, is for every looo 

 fuperficial feet, '^'t^ bitfhels of marine, and 150 lbs. glauber falts. 



The quality of the fait is eq^jial t o 'i ^ ray Itv ^ported, It weighs 



80 lbs. per iDuiliel, and is decidedly fuperior in point of 

 flrength to foreign fait, if in this f efpe(51: we except that which 



is made during the extreme heat of July and Auguft, which 

 in confequence oi a hafly evaporation, retains a portion of the 

 bittern. This Vv'eakens the fait, makes it more foluble, and 

 lefs proper for domeftic ufe than 'that manufacflured in the 



J 



more temperate months. Liverpool fait is fo flrongly impreg- 

 nated with lime, that fifli cured with It have the appearance 

 of being vjbitewajhcd^ which greatly injures their niarket.* 

 Our works ai'e remarkably well adapted to free the fait from 

 this and other impurities ; and it • is from the feparation of 

 this fub fiance, that our fait acquires its j>eculiar whitenefs and 

 purity. Confidering the duty Impofed on foreign fait, the 



:. freight f 



*^ For fomeof thcfe particulars, I amindebted to the Informallon and intellj|;ence of 

 'A'i^ Eev^rend Mr. Briggs of Chatham. 



