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LETTERS 



ON THE 



EFFECT OF THE COMPOSITION IN ALL CLIMATES. 



The following letters, &c. are inferted to fhew that the 

 Compofition, when properly applied, is found to be equally 

 efficacious in all climates, foils, and fituations. Indeed., all who 

 have given it a fair trial are fo fully convinced of its utility, 

 that many noblemen and gentlemen have fent their gardeners, 

 to me for inftruclions. The Chevalier D' Almeida, the Por- 

 tuguefe A mb amid or, had a perfon fent from Portugal for the 

 fame purpofe ; and forae Polifh noblemen, who had feen the 

 trees in Kenfington Gardens, were fo fully convinced of the 

 great advantage to be derived from the application of the 

 Compofition, as to fend a man for inftr uctions, that he might 

 introduce the practice into Poland. 



Copy of a Letter from the (Economical Society of St. Peterfburg. 



Imperial Corps of Land Cadets, in St. Petersburg) 

 January 9, 1792. 



Sir, 



As a member of the GEconomical Society of St. Peterfburg, 

 his Excellency Count Anhalt folicits me to exprefs, in your 

 own language, the pleafure which the communication of 

 your ufeful difcovery has given him, and the learned body 



over 



