﻿ARTICLE 
  XXV. 
  

  

  Sundry 
  Improvements 
  in 
  Apparatus, 
  or 
  Manipulation. 
  By 
  R. 
  Hare, 
  

   M. 
  D., 
  fyc, 
  fyc, 
  fyc. 
  

  

  IMPROYED 
  CRYOPHORUS. 
  

  

  Two 
  flasks, 
  of 
  which 
  the 
  necks 
  have 
  flanged 
  orifices, 
  are 
  so 
  se- 
  

   cured 
  in 
  a 
  wooden 
  frame, 
  that 
  by 
  the 
  pressure 
  of 
  screws 
  S 
  S, 
  and 
  

   gum-elastic 
  disks, 
  the 
  orifices 
  of 
  a 
  tube 
  are 
  made 
  to 
  form 
  with 
  them 
  

   severally, 
  air 
  tight 
  junctures. 
  The 
  orifices 
  of 
  the 
  tube 
  are 
  furnished 
  

   with 
  brass 
  flanges, 
  which 
  correspond 
  with 
  those 
  terminating 
  the 
  necks 
  

   of 
  the 
  flasks. 
  

  

  Midway 
  between 
  the 
  junctures 
  a 
  female 
  screw 
  is 
  soldered 
  to 
  the 
  

   tube 
  for 
  the 
  insertion 
  of 
  a 
  valve 
  cock 
  V, 
  by 
  means 
  of 
  which, 
  and 
  a 
  

  

  