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Article XXII. 



Of the Duration of the Wood of different Kinds of Trees, 

 in their different Applicationy when expofed to the 

 Weather. 



[By Sir Thomas Beevor, bart.] 



Gentlemen, Sept, il, 1784, 



AS the raifing plantations of trees is not only 

 an objedl of great national concern, but 

 falls likewife within the compafs of the Society's 

 plan to encourage ; and as the value and duration 

 of the feveral kinds of them, in their different 

 applications and ufes, is a fubjed: of much utility 

 as well as curiolity, I fhall give you a Ihort account 

 of an experiment made on fome of them by a 

 worthy friend of mine, a nobleman of this county, 

 who is as much diftinguifhed by his thirft after 

 and pofTeflion of claflical and philofophical know- 

 ledge, as he is honoured and beloved for his ex- 

 tenfive philanthropy. 



Wilhing to know the duration of fbmc of the 

 trees with which his noble plantations abound, he 

 ordered, in the year 1774, three ports, forming 

 two fides of a quadrangle, to be fixed in the earth 

 upon a rifing ground in his park. Into thefe pofi:s 

 were morticed the planks of the following trees, of 

 which fix faced fouth and north, and fix of them 



eaft 



