TABLE 97. 



DENSITY OR MASS IN GRAMMES PER CUBIC CENTIMETRE AND 

 POUNDS PER CUBIC FOOT OF THE METALS. 



TABLE 98. 



MASS IN GRAMMES PER CUBIC CENTIMETRE AND IN POUNDS PER 

 CUBIC FOOT OF DIFFERENT KINDS OF WOOD. 



The wood is supposed to be seasoned and of average dryness. 



* When the temperature is not given, ordinary atmospheric temperature is to be understood. 



t The density of titanium is inferential, and actual determination a year or two ago gave a lower value. 



t The lower value for thorium represents impure material. 



SMITHSONIAN TABLES. 



