﻿W. 
  P. 
  White 
  — 
  Specific 
  Heat 
  Determination. 
  47 
  

  

  Experimenters 
  have 
  usually 
  closed 
  the 
  upper 
  and 
  lower 
  

   ends 
  of 
  their 
  steam 
  heaters 
  with 
  corks, 
  or 
  used 
  some 
  

  

  Fig. 
  2. 
  

   Removable 
  Condenser-4-± 
  

  

  vJL/ 
  

  

  Thermoelement 
  

   Heat 
  Insulation 
  

  

  Temporary 
  Steam 
  

   Outlet 
  

  

  Water 
  

  

  Electric 
  \~\eater 
  

  

  Fig. 
  2. 
  Modified 
  Eegnault 
  apparatus. 
  One-fourth 
  size. 
  Just 
  before 
  

   discharging, 
  the 
  temporary 
  outlet 
  is 
  opened, 
  the 
  condenser 
  and 
  thermo- 
  

   element 
  removed, 
  the 
  upper 
  opening 
  stoppered, 
  and 
  lastly, 
  the 
  heating 
  

   chamber 
  unstoppered. 
  The 
  flexible 
  heater 
  leads 
  are 
  not 
  shown. 
  The 
  very 
  

   shallow 
  cup 
  below 
  the 
  chamber 
  fills 
  with 
  condensed 
  water, 
  and 
  shields 
  the 
  

   chamber 
  against 
  superheating. 
  

  

  other 
  arrangement 
  which 
  left 
  the 
  ends 
  comparatively 
  

   cold. 
  Eegnault 
  gave 
  attention 
  to 
  this 
  point, 
  and 
  showed 
  6 
  

  

  6 
  V. 
  Eegnault, 
  Bemerkungen 
  iiber 
  die 
  zur 
  Bestimmung 
  der 
  spezifischen 
  

   Warmer 
  fester 
  Korper 
  angewendeten 
  Verfahren, 
  Pogg 
  Ann., 
  120, 
  263, 
  1864. 
  

  

  