f » I 



By Smart's Tables it appears, 



Tlut the «mount of il. in 75 yij. at 4 p. ocnt, comjpound intweft, 

 £.Decimalpts. 



iff - - =i8,94-5*>S466 



A^xliafametime at 3^p.ct. =13,1985,5083 Mrbtch added together, 



;^id divided by * 



:>4jiiotc« - «) 31,1438,0504. 



The amount of 1 1. for75l /• ,^ ^^^ «*,. 

 years at 3I. Ms. per ct. j iC.i6,07i9,o.5x 



Which multiplied by 3 The value of the tree it 



the commencement ? — — C the amount of 3I. in 75 ys. 

 «f the term> produces J ,C'48,«iS7,0756 \ at 3I. 15s. compd. intereft 



?>.". ■'■■ . ,; • ■ 



Mr. Marfham, for whofe opinion I have a great 

 veneration, obferves, tliat trees which increafe one 

 inch and a half per annum in circumference, during 

 the firft century, do not. gain fo much in circum* 

 fercnce in the fecond. Though I allow this to b^ 

 the cafe, it will appear, that they increafe more ia 

 their folid contents notwithftanding. 



In proof whereof, 



//. in. 

 XaUe the difference l)etween 131 8 the contents of the ihaft in its 

 hundredth year, and - - 94 6 its contents in preceding period, 



anddlvideitbytheNo.ofysia)37 2(quotes 3f. i inch for its an- 

 nual increafe, — 



3 « 

 between the 87th and the 100th year of its growth. Then take 

 the dirtcrencc between - 487 o the contents of the fliaft in its 

 J 50th year, and - - - 2*7 9 its contents in the oeriod im- 



— mediately preceaing, 

 'and divide by the No. ofyi, 14) 59 3(4 f. aj inches, 



33 



J 



D 4 Shews, 



