Items

• [MF47AD], Letter from Earl McFarland, U.S. War Dept. Office of Chief of Ordnance to Thomas Alva Edison, February 11th, 1918
  1918-02-11
• [MF47AY], Letter from Earl McFarland, U.S. War Dept. Office of Chief of Ordnance to Thomas Alva Edison, May 17th, 1918
  1918-05-17
• [MF47AZ], Letter from Earl McFarland, U.S. War Dept. Office of Chief of Ordnance to Thomas Alva Edison, May 20th, 1918
  1918-05-20