﻿Barton 
  & 
  Kilby. 
  

  

  Phil. 
  Mag. 
  Ser. 
  6, 
  Vol. 
  26, 
  PL 
  XL 
  

  

  Fig. 
  7. 
  

  

  J 
  "j 
  _n 
  K 
  

  

  

  

  

  W 
  iwatsir." 
  * 
  71 
  fii'Hl 
  

  

  1 
  E 
  

  

  ssn! 
  

  

  1i 
  -r* 
  M^ 
  

  

  IV 
  / 
  — 
  1 
  M 
  1» 
  \ 
  

  

  

  i 
  

  

  WmlMr 
  B 
  

  

  

  "in 
  

  

  — 
  _ 
  _ 
  

  

  General 
  view 
  of 
  Final 
  Arrangements. 
  

  

  