The Phosphates of America. 



173 



USEFUL TABLES FOR THE FACTORY. 



TABLE FOR THE SYSTEMATIC ANALYSIS OF ALKALIES, ALKALINE EARTHS 



AND ACIDS. 



In order to find the amount of pure substance present in the material examined 

 multiply the number of c.c. by the " normal factor." 



TABLE COMPARING THE DEGREES OF BAUME WITH SPECIFIC GRAVITY DEGREES AT 15 C. 



