the Occurrence of Enhanced Lines in the Arc, 855 



enh. 



flame line, 

 enh. 



S5 



red edge of band 

 red edge of band 



S4 



M M 



fl 5 M ^ .5 



8 ^ § ° 82 " " §3S " <* !? ?■ I!"" * * •§ 



2^8 



f 00 at anode 



000 at cathode 

 ( not seen in gap 



6 cs 



10 cnbr 



6c 



10 c 

 12 c 

 15, c 



1c 

 i nn at anode 



3 cs 



15 c 



{4 at cathode 

 6 at anode 

 3 in gap 

 000 cnn 



000 c 

 15 dbrv 



6 cnbr 



Ocn 



3c 



7 c 



10 c 



12 c 



f OinI 



1 00 in II 



2 g fl -°^ M 



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 £ C a TS MM M M MM MM a,M 1 '" ,H 1 1 •% "" C 



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