FOR BITUMINOUS ROAD MATERIALS 



By 



PREVOST HUBBARD, Chemical Engineer, and 

 CHARLES S. REEVE, Chemist 



CONTENTS 



Page 



Introdaction 1 



Specifications 4 



Methods of Testing 47 



Samples and Samplins §8 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1918 . 



