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DEDICATION. 



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1 o Sir John Sinclair, Baronet, to whofe unre- 

 mitted exertions, when Prefident of the Board of 



the 



Agriculture, many important improvements in 

 cultivation of the earth were accompliflied and re- 



corded ; this Work, which was began by the inftiga- 

 tion of his letters, to the author, is dedicated with 



r 



great refpeft. 



Derbjr, Jan. i, 1799, 



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CONTENTS. 



