Papitan Timbers, 39 



Details of Compression Tests. 



Area. Bk. wt. Bk. wt. sq. in 



(a) - 2j0 - 2.90 - 2.90 - 8.41 - 70400 - 8370 

 Fracture wedge-shaped, with a tendency to fail in several 

 places ; fibres turned over in the direction of the annual rings. 



(b) - 14 - 2.93 - 2.93 - 8.58 - 91300 - 10640 

 Fibres turned over in the direction of the annual rings, 



wedge-shaped fracture on two sides. 



(c) - 20 - 2.86 - 2.86 - 8.18 - 71800 - 8780 



Fibres turned over in direction of rings, then sheared. 



(d) - 20 - 2.86 - 2.86 - 8.18 - 84300 - 10300 



Same as (cj., one side wedge-shaped. 



Tamanau. 



{a) - 20 - 2.85 - 2.85 - 8.12 - 42300 - 5210 

 Fibres turned over in direction of annual rings. 



(b) - 20 - 2.85 - 2.85 - 8.12 - 44000 - 5420 



{c) - 20 - 2.85 - 2.85 - 8.12 - 41600 - 5120 



Fibres turned over as above, then the specimen bent a •: a 

 long column and split down. 



{d) - 20 - 2.85 - 2.85 - 8.12 - 44800 - 5530 

 Same as c, but bent at right angles to annual rings. 



Aloya. 

 {a) - 20 - 2.85 - 2.85 - 8.12 - 47000 - 5780 

 Fibres crushed at each end, then one end turned over as a 

 long column in the direction of the annual rings. 



(6) - 20 - 2.84 - 2.84 - 8065 - 50500 - 6260 

 Fibres crushed in the direction of the annual rings. 



(c) - 20 - 2.85 - 2.85 - 8.12 - 57500 - 7080 



(d) - 20 - 2.82 - 2.82 - 7.95 - 42200 - 5310 



Broke suddenly along seasoning crack, "by shear. 



Mada ve. 

 {a) - 20 - 2.85 - 2.85 - 8.12 - 46200 - 5750 



Fibres turned over in the direction of the annual rings. 



(b) - 20 - 2.83 - 2.83 - 8.009 - 46200 - 5770 



Fibres commenced to turn over, then it sheared suddenly. 



(See Photograph, Plate 19). 



