﻿14 
  G. 
  V. 
  Maclean 
  — 
  Velocity 
  of 
  Electric 
  Waves 
  in 
  Air. 
  

  

  Distance 
  in 
  cms. 
  

  

  First 
  maximum 
  

  

  Increased 
  

  

  The 
  increase 
  due 
  to 
  

  

  from 
  tlie 
  reflector. 
  

  

  readin{{. 
  

  

  maximum 
  reading. 
  

  

  Hie 
  electric 
  waves. 
  

  

  1-1500 
  

  

  8-100 
  

  

  8-100 
  

  

  0-000 
  

  

  

  

  8-550 
  

  

  8-550 
  

  

  0000 
  

  

  

  

  8-450 
  

  

  8450 
  

  

  0-000 
  

  

  mean 
  

   0-0000 
  

  

  

  6-450 
  

  

  6-450 
  

  

  0-000 
  

  

  

  8-250 
  

  

  8-250 
  

  

  0-000 
  

  

  

  2-6290 
  

  

  8-600 
  

  

  8-825 
  

  

  0-225 
  

  

  

  

  8000 
  

  

  8-250 
  

  

  0-250 
  

  

  

  

  7-600 
  

  

  7-850 
  

  

  0-250 
  

  

  mean 
  

  

  

  7-800 
  

  

  8 
  100 
  

  

  0.300 
  

  

  0-2600 
  

  

  

  8-550 
  

  

  8-825 
  

  

  275 
  

  

  

  2-7960 
  

  

  8-150 
  

  

  8-325 
  

  

  0-175 
  

  

  

  

  7-400 
  

  

  7-565 
  

  

  0-165 
  

  

  

  

  7-450 
  

  

  7-650 
  

  

  0-200 
  

  

  mean 
  

   01800 
  

  

  

  6-475 
  

  

  6-650 
  

  

  0-175 
  

  

  

  8-000 
  

  

  8-185 
  

  

  0-185 
  

  

  

  3-1960 
  

  

  7-800 
  

  

  7-900 
  

  

  0-100 
  

  

  

  

  7-750 
  

  

  7-850 
  

  

  0-100 
  

  

  

  

  7-250 
  

  

  7-400 
  

  

  0-125 
  

  

  mean 
  

   0-1000 
  

  

  

  8425 
  

  

  8-600 
  

  

  0-075 
  

  

  

  8-400 
  

  

  8-500 
  

  

  O-lOO 
  

  

  

  4-1075 
  

  

  8-750 
  

  

  8-750 
  

  

  0-000 
  

  

  

  

  8-350 
  

  

  8-350 
  

  

  0-000 
  

  

  

  

  7-100 
  

  

  7-100 
  

  

  0-000 
  

  

  mean 
  

   0-0000 
  

  

  

  8-300 
  

  

  8-300 
  

  

  0-000 
  

  

  

  8-400 
  

  

  8-400 
  

  

  0-000 
  

  

  

  3-4000 
  

  

  8-800 
  

  

  8-850 
  

  

  0-050 
  

  

  

  

  8-425 
  

  

  8-500 
  

  

  075 
  

  

  

  

  8-400 
  

  

  8-466 
  

  

  0-066 
  

  

  mean 
  

   00660 
  

  

  

  8-500 
  

  

  8-575 
  

  

  0-075 
  

  

  

  8-100 
  

  

  8-165 
  

  

  0-065 
  

  

  

  4-5056 
  

  

  8-150 
  

  

  8-175 
  

  

  0-025 
  

  

  

  

  7-750 
  

  

  7-800 
  

  

  0-050 
  

  

  

  

  8-350 
  

  

  8-400 
  

  

  0-050 
  

  

  mean 
  

  

  

  8-575 
  

  

  8-600 
  

  

  0-025 
  

  

  0-0375 
  

  

  

  8-300 
  

  

  8-350? 
  

  

  0-050? 
  

  

  

  

  7-835 
  

  

  7-860 
  

  

  0-025 
  

  

  

  5-5863 
  

  

  8-400 
  

  

  8-625 
  

  

  0-225 
  

  

  

  

  8-450 
  

  

  8-700 
  

  

  0-250 
  

  

  

  

  8-150 
  

  

  8-450 
  

  

  0-300 
  

  

  mean 
  

   0-2620 
  

  

  

  8-500 
  

  

  8-750 
  

  

  0-250 
  

  

  

  8-450 
  

  

  8-735 
  

  

  0-285 
  

  

  

  6-6070 
  

  

  8-250 
  

  

  8-300 
  

  

  0-050 
  

  

  

  

  8-400 
  

  

  8-425 
  

  

  0025 
  

  

  

  

  8-500 
  

  

  8-525 
  

  

  0-025 
  

  

  mean 
  

   0-0350 
  

  

  

  8-100 
  

  

  8-150 
  

  

  0-050 
  

  

  

  8-550 
  

  

  8-575 
  

  

  0-025 
  

  

  

  ^0650 
  

  

  8-950 
  

  

  8-950 
  

  

  0-000 
  

  

  

  

  8-800 
  

  

  8-800 
  

  

  0-000 
  

  

  

  

  8-650 
  

  

  8-650 
  

  

  0-000 
  

  

  

  

  8-600 
  

  

  8-600 
  

  

  0-000 
  

  

  

  

  8-800 
  

  

  8-800 
  

  

  0-000 
  

  

  mean 
  

  

  

  7-350 
  

  

  7-350 
  

  

  0-000 
  

  

  0-0000 
  

  

  

  7-450 
  

  

  7-450 
  

  

  0-000 
  

  

  

  

  7-600 
  

  

  7-600 
  

  

  0-000 
  

  

  

  

  7-845 
  

  

  7-845 
  

  

  0-000 
  

  

  

  

  8-000 
  

  

  8-000 
  

  

  0-000 
  

  

  

  