Items

• [D8603L], Letter from Hamilton (Edward P.) & Co to Thomas Alva Edison, January 12th, 1886
  1886-01-12
• [D8718AAB], Letter from Hamilton (Edward P.) & Co to Thomas Alva Edison, July 14th, 1887
  1887-07-14
• [D8718AAC], Letter from Hamilton (Edward P.) & Co to Thomas Alva Edison, July 23rd, 1887
  1887-07-23
• [D8844AAI], Letter from Hamilton (Edward P.) & Co, Edward P Hamilton to Thomas Alva Edison, December 31st, 1888
  1888-12-31