Sentence Examples


  • The gold chloride of commerce, which is used in photography, is really a hydrochloride, chlorauric or aurichloric acid, HAuC1 4.3H 2 O, and is obtained in long yellow needles by crystallizing the acid solution.
  • The adoption, by Sir William Huggins in 1876, of gelatine or dry plates in celestial photography was a change of decisive import.
 
 

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