﻿92 
  

  

  Ewell 
  — 
  Rotatory 
  Polarization 
  of 
  Light 
  in 
  

  

  

  

  Table 
  I. 
  

  

  

  I. 
  

  

  II. 
  

  

  III. 
  

  

  IV. 
  

  

  1 
  

  

  5 
  

  

  

  

  o°-ooi 
  

  

  2 
  

  

  c( 
  

  

  360 
  

  

  — 
  •022 
  

  

  3 
  

  

  « 
  

  

  720 
  

  

  — 
  •062 
  

  

  4 
  

  

  « 
  

  

  1080 
  

  

  -•060 
  

  

  5 
  

  

  (( 
  

  

  1800 
  

  

  — 
  •242 
  

  

  6 
  

  

  (( 
  

  

  

  

  — 
  •006 
  

  

  •7 
  

  

  (C 
  

  

  -360 
  

  

  •002 
  

  

  8 
  

  

  (( 
  

  

  -720 
  

  

  -•014 
  

  

  9 
  

  

  « 
  

  

  -1080 
  

  

  -•006 
  

  

  10 
  

  

  « 
  

  

  -1800 
  

  

  — 
  •042 
  

  

  11 
  

  

  4 
  

  

  2250 
  

  

  — 
  •25 
  

  

  12 
  

  

  C( 
  

  

  

  

  — 
  •12 
  

  

  13 
  

  

  (( 
  

  

  — 
  2250 
  

  

  •04 
  

  

  14 
  

  

  (( 
  

  

  -3150 
  

  

  •26 
  

  

  15 
  

  

  n 
  

  

  

  

  •10 
  

  

  16 
  

  

  a 
  

  

  3150 
  

  

  -•47 
  

  

  17 
  

  

  (( 
  

  

  

  

  — 
  •01 
  

  

  18 
  

  

  (( 
  

  

  4500 
  

  

  -r3i 
  

  

  Fio-. 
  1. 
  

  

  Annealed 
  circular 
  glass 
  rod. 
  

  

  Abscissas 
  represent 
  twisting 
  moment 
  per 
  centimeter 
  of 
  length. 
  

  

  Ordlnates 
  represent 
  rotation 
  of 
  the 
  plane 
  of 
  polarization 
  per 
  centimeter 
  of 
  length. 
  

  

  