Items

• [HX87006A], Letter from Thomas Alva Edison to Henry H Unz, March 24th, 1887
  1887-03-24
• [LB024398], Letter from Thomas Alva Edison to Henry H Unz, April 25th, 1887
  1887-04-25
• [LB024440], Letter from Alfred Ord Tate to Henry H Unz, May 7th, 1887
  1887-05-07
• [LB024474], Letter from Thomas Alva Edison to Henry H Unz, May 27th, 1887
  1887-05-27
• [LB025006B], Letter from Alfred Ord Tate to Henry H Unz, June 23rd, 1887
  1887-06-23