Items

• [D8756ACQ], Letter from Otis Bros & Co to Thomas Alva Edison, September 28th, 1887
  1887-09-28
• [D8756ACS], Letter from Otis Bros & Co to Thomas Alva Edison, September 30th, 1887
  1887-09-30
• [D8756ACT], Agreement, Otis Bros & Co, Thomas Alva Edison, September 30th, 1887
  1887-09-30
• [D8756ADO], Letter from Otis Bros & Co to Thomas Alva Edison, October 19th, 1887
  1887-10-19