﻿704 
  Prof. 
  J. 
  de 
  Kowalski 
  and 
  Dr. 
  U. 
  J. 
  Kappel 
  

  

  on 
  

  

  Table 
  III. 
  

  

  Diameter 
  of 
  spheres 
  3*85 
  cm. 
  Ratio 
  1*44. 
  Frequency 
  of 
  

  

  alternating 
  current 
  33. 
  Barometric 
  height 
  720 
  mm. 
  

  

  Temperature 
  19° 
  C 
  

  

  Explosive 
  Distance 
  

  

  Effective 
  

  

  Maximum 
  

  

  in 
  cm. 
  

  

  Volts. 
  

  

  Volts. 
  

  

  0-1030 
  

  

  3106 
  

  

  4472 
  

  

  0-1452 
  

  

  4026 
  

  

  5797 
  

  

  0-1812 
  

  

  4779 
  

  

  6882 
  

  

  0-2379 
  

  

  5982 
  

  

  8614 
  

  

  0-3110 
  

  

  744-2 
  

  

  10716 
  

  

  0-3871 
  

  

  8992 
  

  

  12948 
  

  

  0-5070 
  

  

  11291 
  

  

  16259 
  

  

  06903 
  

  

  14674 
  

  

  21130 
  

  

  0-8425 
  

  

  17492 
  

  

  25188 
  

  

  0-9293 
  

  

  19055 
  

  

  27439 
  

  

  1-0416 
  

  

  20966 
  

  

  30191 
  

  

  1-2526 
  

  

  24555 
  

  

  35359 
  

  

  1-3703 
  

  

  26482 
  

  

  38134 
  

  

  1-4735 
  

  

  28194 
  

  

  40599 
  

  

  1-6597 
  

  

  31032 
  

  

  44686 
  

  

  Table 
  IV. 
  

  

  Diameter 
  of 
  spheres 
  10 
  cm. 
  Ratio 
  1*43. 
  Frequency 
  of 
  

  

  alternating 
  current 
  33. 
  Barometric 
  height 
  716 
  mm. 
  

  

  Temperature 
  19° 
  C. 
  

  

  Explosive 
  Distance 
  

  

  Effective 
  

  

  Maximum 
  

  

  in 
  cm. 
  

  

  Voltage.' 
  

  

  Voltage. 
  

  

  0-1119 
  

  

  3279 
  

  

  4689 
  

  

  0-1549 
  

  

  4180 
  

  

  5977 
  

  

  0-1981 
  

  

  5094 
  

  

  7284 
  

  

  0-2475 
  

  

  6140 
  

  

  8780 
  

  

  0-3057 
  

  

  7295 
  

  

  10432 
  

  

  0-4030 
  

  

  9220 
  

  

  13185 
  

  

  0-5185 
  

  

  11454 
  

  

  16379 
  

  

  0-6425 
  

  

  13722 
  

  

  19622 
  

  

  0-8632 
  

  

  17761 
  

  

  25398 
  

  

  0-8848 
  

  

  18161 
  

  

  25970 
  

  

  0-9902 
  

  

  20050 
  

  

  28674 
  

  

  1-2365 
  

  

  24259 
  

  

  34692 
  

  

  1-3404 
  

  

  26071 
  

  

  37280 
  

  

  1-4360 
  

  

  27805 
  

  

  39761 
  

  

  1-5932 
  

  

  30368 
  

  

  43429 
  

  

  1-7800 
  

  

  33450 
  

  

  47834 
  

  

  