290 



TABLES. 

 TABLE X. 



* In 1000 parts of the fuel.— t Possibly present. 

 38; K„0 and ISa^O usually 0.— (2) Mn, 0-0.3; 

 Fluorine, 0—50 ; average 30. 



— (1) Fluox-inc.36 — 40, average 

 K2O and NaaO mostly 0.— (3) 



