Inquiries relative to the Structure of Wood. 457 



exposed for 24 hours in a room with a northern aspect, 

 whose temperature was tolerably uniform at 62 F. The 

 following are the results : - 



With a view to ascertain the habitual state of the 

 dryness of woods in autumn, I carefully preserved these 

 same shavings till the 3d of November, in a northern 

 chamber, not inhabited ; at which period its tempera- 

 ture had stood for several days at 52 F., with little 

 variation. I then weighed the shavings, and from their 

 weight calculated the quantity of water contained in 

 them. 



The following table, containing the results of all 

 these experiments, displays, in a familiar and satisfactory 

 manner, the customary state of the woods, in different 

 seasons, in our climate. 



