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      promptly to withdraw their forces from Polish territory His Majesty's 
      Government in the United Kingdom will without hesitation fulfill 
      their obligations to Poland".
 
      Sir Neville Henderson has been instructed to ask for an immediate 
      reply and to report the result of his interview, when he will 
      be sent further instructions. He has been told that in reply 
      to any question he may explain that the communication is in the 
      nature of a warning and is not to be considered as an ultimatum.
 
      Believe me, my dear Mr. Secretary,
 
      Yours very sincerely,
 
      LOTHIAN