lo8 
ON A TABLE OF STANDARD WAVE LENGTHS OF THE SPECTRAL LINES. 
t 
t 
SohH'nr''™" ""^''!'^' ''"^ '™^P°"^"* "^ ^ ^l-'^We. the other being 
Red con n" ' f T' '^ ^"" ''""^' '''' '"^'''^^ ^'"« ^« -d being Fe. 
Red component of an ennal douhlft ^ 
Co 
Ked component of an equal double. 
Metal measured was Fe. 
H Red component of double 
