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ence and fortune take up experiments of 

 this nature, the success of which is always 

 a hazard. The labour attending it al- 

 though not great, requires to be conducted 

 with piecision, and the time it takes to 

 obtain the result is long, so that although 

 from the above facts, it is evident a 

 great improvement may be made in 

 following up a work which has thus 

 been so far crowned with success, yet 

 the above reasons will prove that pri- 

 vate individuals, or such as are engaged 

 in the necessary employments of an 

 humble station in life, cannot pursue 

 it without considerable loss of time, 

 and an expence that does not come 

 within the scope of men of that de- 

 scription. 



I have therefore made the above re- 

 marks with the view of shewing what has 

 been hitherto done, and what may be still 

 hoped for, and I trust that this among 

 other domestic improvements may at a 

 proper time become a question of public 

 notice and encouragement. 



