150 



REPORTS ON THE STATE OF SCIENCE. 



Tantalum — cmitinued. 



Arc Spectrum 



Wave-length 



Eiitten and 

 Morscli 



2G03-585 



02-476 

 01-150 



00-210 

 2599-478 



96-718 



95-337 



93-645 

 93-172 



84-810 



80-262 

 79-713 



Exner and 

 Haschek 



2603-95 

 03-60 



02-49 

 01-16 

 00-84 

 00-25 



2596-55 

 96-23 

 95-68 

 95-36 



94-35 

 93-80 

 93-20 



I Intensity 

 i and 

 Character 



89-89 



80-27 

 79-75 



Spark Spectrum 



Wave-length 



2 

 1 

 2 



2 



2 



2 Mil 

 2 



Exner and 

 Haschek 



2603-57 

 03-06 

 01-40 

 01-13 

 00-82 

 00-26 



2599-0 



79-12 

 78-30 



Intensity 



and 

 Character 



lb 



Reduction to 

 Vacuum 



A-H 



0-74 



1 

 K 



Oscillation 



Frequency 



in Vacuo 



0-75 11 



11 



38392- 

 97' 



38405' 

 14' 

 33' 

 38- 

 46' 

 58- 

 65- 

 99' 



38501' 

 06' 

 14' 

 19' 

 27' 

 34' 

 43 

 51' 

 59 

 65 

 83' 



38600 

 14 

 58 

 62 

 76 

 79 

 86 



38725 

 38 

 44 

 52 

 61 

 74 

 80 

 86 



38800 

 06 

 14 

 24 

 31 

 40 

 44 

 50 

 75 

 77 



38911 

 27 

 67 

 76 

 82 



39017 

 39 

 61 

 58 



