﻿Report 
  F. 
  S. 
  F. 
  C. 
  1883.— 
  Dyrenforth. 
  Patents. 
  

  

  PLATE 
  LXXIII. 
  

  

  3&1- 
  

  

  Hirj.3 
  

  

  No. 
  272,870. 
  Trawl-roller, 
  by 
  T. 
  R. 
  Ferrall. 
  See 
  p. 
  [60]. 
  

  

  