Items

• [E1483CF], Letter from Thomas Alva Edison to Charles H Ingersoll, December 12th, 1914
  1914-12-12
• [E1715AN], Letter from William Henry Meadowcroft to Charles H Ingersoll, September 27th, 1917
  1917-09-27
• [E1715AO], Letter from William Henry Meadowcroft to Charles H Ingersoll, October 1st, 1917
  1917-10-01
• [MF14CM], Letter from William Henry Meadowcroft to Charles H Ingersoll, April 21st, 1917
  1917-04-21