Items

• [D8818AAT], Letter from Thomas Alva Edison to John Irvin Beggs, January 11th, 1888
  1888-01-11
• [D8936AAL], Letter from Edison Electric Illuminating Co (New York), Spencer Trask to John Irvin Beggs, March 15th, 1889
  1889-03-15
• [LB020257G], Letter from Thomas Alva Edison to John Irvin Beggs, Harrisburg Electric Light Co, May 5th, 1885
  1885-05-05
• [LB027006], Letter from Alfred Ord Tate to John Irvin Beggs, November 12th, 1888
  1888-11-12
• [LB028694], Letter from Thomas Alva Edison to Edison Electric Illuminating Co (New York), John Irvin Beggs, March 20th, 1889
  1889-03-20
• [LB034175], Letter from Thomas Alva Edison to Edison Electric Illuminating Co (New York), John Irvin Beggs, November 22nd, 1889
  1889-11-22
• [LM112238], Letter from Arthur Edwin Kennelly to Edison Electric Illuminating Co (New York), John Irvin Beggs, February 10th, 1890
  1890-02-10
• [LM114308], Letter from Arthur Edwin Kennelly to John Irvin Beggs, April 22nd, 1891
  1891-04-22
• [LM306295], Letter from Alfred Ord Tate to Edison General Electric Co, John Irvin Beggs, June 1st, 1892
  1892-06-01
• [X098C017], Letter from William Joseph Hammer to Edison Electric Illuminating Co (New York), John Irvin Beggs, January 16th, 1889
  1889-01-16