242 



TIMBER AND TIMBER TREES. 



[chap. 



ways in the construction of ships, especially below the 



line of flotation, where a heavy material is not considered 



objectionable. For civil architecture, the ornamental 



and the domestic arts, it is not, however, likely to be in 



much request, its extreme hardness and great weight 



precluding it from general use. 



Table XCL— Iron-bark (Australia). 

 Transverse Experiments. 



Remarks. — No. t, wiry fracture, 16 inches in length ; No. 3, wiry fracture, 12 inches 

 in length ; No. 3, wiry fracture, 10 inches in length ; No. 4, broke short to one-third 

 depth, then splintery fracture, zo inches in length. 



Table XCII. 

 Tensile Experiments, 



