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LETTERS 



ON THE 



Effect of the Composition in all Climates, 



The following letters, &c. are inserted to shew that the 

 composition, when properly applied, is found to be equally 

 efficacious in all climates, soils, and situations. Indeed, all 

 who have given it a fair trial are so fully convinced of its utili- 

 ty, that many noblemen and gentlemen have sent their garden- 

 ers to me for instructions. The Chevalier D'Almeida, the 

 Portuguese Ambassador, had a person sent from Portugal for 

 the same purpose ; and some Polish noblemen, who had seen 

 the trees in Kensington Gardens, were so fully convinced of 

 the great advantage to be deprived from the application of the 

 composition, as to send a man for instructions, that he might 

 introduce the practice into Poland. 



Copy of a Letter from the EconomiccCl Society of St» Petersburg. 



Imperial Corps of Land Cadets, in St. Petersburg, 

 January 9, 1792. 



SIR, 



As a Member of the Economical Society of St. Peters- 

 burg, his Excellency Count Anhalt solicits me to express, in 

 your own language, the pleasure which the communication of 

 your useful discovery has given him, and the learned body 

 over whom he so worthily presides. The Count has already 

 taken the necessary steps, by desire of the Society, to have 

 your little dissertation translated and printed in the Russian 

 language, in order to diffuse the advantage it holds out, as 

 widely as possible, over this vast empire. 1 am happy in the 



