Items

• [D8801AAQ], Letter from William Henry Meadowcroft to Thomas Alva Edison, June 21st, 1888
  1888-06-21
• [D8801AAZ], Letter from Francis Robbins Upton, Edison Lamp Co to Arthur Edwin Kennelly, July 23rd, 1888
  1888-07-23
• [D8801AAI], Letter from William Henry Meadowcroft to Francis Robbins Upton, May 11th, 1888
  1888-05-11
• [LM111018] Report, August 3rd, 1888
  1888-08-03