Items

Items

• 

  [D8120ZAI], Letter from Horatio Nelson Powers to Thomas Alva Edison, March 5th, 1881

  1881-03-05
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  [D8204ZHW], Letter from Horatio Nelson Powers to Thomas Alva Edison, October 18th, 1882

  1882-10-18
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  [D8414ZAC], Letter from Horatio Nelson Powers to Thomas Alva Edison, August 11th, 1884

  1884-08-11
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  [D8850AAD], Letter from Horatio Nelson Powers to Thomas Alva Edison, January 5th, 1888

  1888-01-05
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  [D8850ABQ1], Phonogram from Horatio Nelson Powers to George Edward Gouraud, Thomas Alva Edison, June 16th, 1888

  1888-06-16