X CONTENTS 



PAGES 

 CHAPTER XVI , 



TIMBER 



Structure of timber. Annual rings Heartwood and sapwood. 



Effect of moisture. Strength of timber. Compression tests 



Flexure tests. Shearing tests Indentation tests. Tension tests. 



European tests of timber Tests made for the tenth census. 



Tests made by the Bureau of Forestry. Recent work of the Bureau 



of Forestry 282-297 



CHAPTER XVII 

 ROPE, WIRE, AND BELTINU 



Wire. Wire rope. Testing of rope, wire, and belting. Strength 

 of wire rope. Strength of numila rope. Strength of leather and 

 rubber belting 298-305 



INDEX . -U4 



