﻿Mr. 
  W. 
  C. 
  Roberts 
  on 
  

  

  ALLOY 
  CONTAINING 
  

  

  LIQUATION 
  IN 
  SILVER 
  

  

  925 
  SILVER. 
  

   75 
  COPPEE. 
  

  

  RAPIDLY 
  COOLED. 
  

  

  (a. 
  924-6 
  

   r-H 
  I 
  b. 
  926-0 
  

   o 
  ® 
  I 
  ft 
  929-1 
  

   A 
  935-5 
  

  

  ^ 
  |/. 
  925-0 
  

   [g. 
  924-2 
  

  

  g 
  /'A. 
  923-2 
  

  

  « 
  J 
  i. 
  923-7 
  

  

  £ 
  1 
  fc. 
  923-3 
  

  

  6 
  U 
  923-3 
  

  

  ro 
  f 
  m. 
  

  

  S 
  J 
  «. 
  

  

  g 
  1o. 
  

  

  923-9 
  

   923-8 
  

   922-7 
  

   {p. 
  923-2 
  

  

  q. 
  923-6 
  

   ir. 
  923-8 
  

   923-1 
  

  

  "Dip 
  assay," 
  925-1. 
  

  

  Maximum 
  difference 
  [between 
  the 
  centre 
  and 
  the 
  

   corners], 
  12-8 
  per 
  thousand. 
  

  

  ALLOY 
  CONTAINTN 
  

  

  900 
  SILYEE. 
  

   100 
  COPPEE. 
  

  

  SLOWLY 
  COOLED. 
  

  

  ~ 
  fa. 
  899-0 
  

   o$\b. 
  899-2 
  

   £ 
  §•{ 
  c. 
  899-6 
  

   S£ 
  rf. 
  S9S-6 
  

   > 
  [e. 
  899-1 
  

  

  898-6 
  

   j. 
  899-4 
  

  

  S 
  J 
  m. 
  

  

  5 
  

  

  n. 
  899-3 
  

   \o. 
  898-8 
  

  

  Srt 
  f/. 
  898-5 
  

   -\g. 
  898-6 
  

  

  "Dip 
  assay," 
  900*4. 
  

   Maximum 
  difference, 
  P3 
  per 
  thousand. 
  

  

  ALLOY 
  CONTAINING 
  

  

  f 
  630-3 
  SILYEE. 
  

  

  I. 
  

  

  •7 
  COPPEE. 
  

  

  SLOWLY 
  COOLED. 
  

  

  a. 
  614-9 
  

   , 
  . 
  „ 
  , 
  b. 
  631-5 
  

   ° 
  S 
  J 
  ft 
  636-0 
  

   ,JS 
  1 
  A 
  635-0 
  

   :Ph 
  I 
  e. 
  630-9 
  

   634-8 
  

  

  620-6 
  

   \j. 
  620-3 
  

   g 
  ") 
  ifc. 
  625-9 
  

   I, 
  625-0 
  

  

  m. 
  632-6 
  

   n. 
  633-5 
  

   o. 
  633-9 
  

   1?. 
  634- 
  

  

  ggf^. 
  631-4 
  

   " 
  1 
  \ 
  635-9 
  

  

  Dip 
  assay," 
  630-2. 
  

  

  