﻿Report 
  U. 
  S. 
  I". 
  C. 
  1885.— 
  Dyrenforth. 
  Patents. 
  

  

  PLATE 
  CXXVII. 
  

  

  J?i 
  '*. 
  Z. 
  

  

  mr-^TTtfL 
  r 
  a 
  

  

  J^t'o. 
  J. 
  

  

  J 
  1 
  

  

  Ti 
  r 
  *■ 
  

  

  -< 
  

  

  No. 
  300.061. 
  Oyster 
  Refrigerator, 
  by 
  S. 
  L. 
  Frazer 
  and 
  WTA. 
  Brigham. 
  See 
  p. 
  [96] 
  

  

  