Id: 



KEPORTS ON THE STATE OF SCIENCE. 



TastAIjVH— continued. 



Arc Spectrum 



Wave-lengtli 



Eiitten and 

 Morsch 



2492-27 



90-58 

 88-78 



85-03 



7C-76 



74-71 

 73-20 



7101 



67-45 

 67-09 



44-20 



33-65 

 32-75 



Exner and 

 Haschek 



Intensity 



and 

 Character: 



Spark Spectrum 



Wave-length 



111 

 1 



In 



In 

 2 



Exner and 

 Haschek 



2492-22 

 9212 

 90-34 

 88-74 

 88-23 

 87-69 

 84-98 

 83-9 

 83-35 

 81-91 

 80-00 

 78-33 

 77-42 

 76-71 

 75-36 



73-17 

 73-0 



70-95 



69-43 



68-45 



67-41 



63-85 



62-1 



61-08 



60-03 



58-17 



57-55 



54-70 



63-97 



51-90 



50-4 



49-50 



44-7 



44-19 



43-90 



43-45 



42-74 



42-22 



41-90 



41-40 



40-10 



39-87 



38-73 



38-23 



37-80 



37-48 



36-56 



36-00 



35-2 



33-86 



33-63 



32-75 



3111 



Intensity 



and 

 Character 



2ur 

 n 



2n 



2b 



Eeduction to 

 Vacuum 



A + 



0-73 



1 

 A 



11-8 



0-72 



11-9 



120 



Oscillation 



Frequency 



in Vacuo 



