﻿234 
  On 
  the 
  Expansion 
  of 
  Substances 
  on 
  Solidification. 
  

  

  afforded 
  him 
  by 
  Colonel 
  Milward, 
  R.A. 
  (Superintendent 
  of 
  the 
  Labora- 
  

   tories, 
  Royal 
  Arsenal, 
  "Woolwich), 
  and 
  to 
  Mr. 
  Davison, 
  his 
  chief 
  as- 
  

   sistant. 
  Like 
  thanks 
  he 
  wishes 
  to 
  return 
  also 
  to 
  Messrs. 
  Pontifex 
  and 
  

   Wood. 
  Lastly, 
  he 
  wishes 
  to 
  record 
  the 
  valuable 
  aid 
  he 
  has 
  received 
  in 
  

   making 
  these 
  experiments 
  and 
  calculations 
  from 
  his 
  assistant, 
  Mr. 
  W. 
  

   Worby 
  Beaumont. 
  

  

  