Items

• [MF47AM], List, Thomas Alva Edison, March 4th, 1918
  1918-03-04
• [MF47AZ], Letter from Earl McFarland, U.S. War Dept. Office of Chief of Ordnance to Thomas Alva Edison, May 20th, 1918
  1918-05-20
• [MF47BE], Letter from Thomas Alva Edison to Earl McFarland, U.S. War Dept. Office of Chief of Ordnance, September 3rd, 1918
  1918-09-03
• [MF47BF], Letter from Julian Sommerville Hatcher, U.S. War Dept. Office of Chief of Ordnance to Thomas Alva Edison, September 13th, 1918
  1918-09-13