Items

Items

• 

  [CL212AAN], Letter from John Relyea Schermerhorn to William Alphonsus Hayes, February 17th, 1905

  1905-02-17
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  [CL212ABG], Letter from Walter Henry Miller to William Alphonsus Hayes, Thomas Graf, June 23rd, 1905

  1905-06-23
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  [E1635AM], Letter from William Henry Meadowcroft to William Alphonsus Hayes, April 15th, 1916

  1916-04-15
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  [LB090369], Letter from William Henry Meadowcroft to William Alphonsus Hayes, August 23rd, 1912

  1912-08-23
• 

  [LB093546], Letter from Thomas Alva Edison to William Alphonsus Hayes, April 28th, 1913

  1913-04-28
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  [NA365016] Technical Note, March 1918

  1918-03-00