TABLES 60 (continued} AND 61. MASS OF VARIOUS SUBSTANCES. 85 



TABLE 60 (continued). "Density or Mass in grams per cable centimeter and pounds per cubic foot of the 



elements, liquid or solid. 



TABLE 61. Mass In grams per cubic centimeter and in pounds per cubic foot of different kinds of wood. 



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



* Where the temperature is not given, ordinary atmospheric temperature is understood. 

 SMITHSONIAN TABLES. 



