Items

• [D8531ZAJ], Letter from Edison Machine Works to Samuel Insull, 1885
  1885-00-00
• [D8736AAS], Letter from Samuel Insull to Alfred Ord Tate, February 22nd, 1887
  1887-02-22
• [D8855ACI], Letter from Alfred Ord Tate to Samuel Insull, December 10th, 1888
  1888-12-10
• [LB022450], Letter from Thomas Alva Edison to Charles Batchelor, September 28th, 1886
  1886-09-28
• [X001A2B], Letter from Samuel Insull to Thomas Alva Edison, March 21st, 1887
  1887-03-21