HEMSAlfcCtf. 



Phil. Mag. Ser. 6, Vol. 34, PI III. 



Emission of Iron Vapour in Flames. 



I 



O) CD 



( 



! 



O.U) 



S 8 



\ / 



> Mantle 



V Cone, 



II 1 I 



I 



> Mantle 



Vcone. 



1 . — Air-hydrogen. 

 2 . — Oxygen-hy dr ogen . 



